Bmw p1415 p0171 p0174. Answered by Walt-Mod in 2 days 12 years ago.

Bmw p1415 p0171 p0174 Pretty much everything relate to the vacuum leak. i was P0171, P0174. Today I was driving and the Check Engine Soon light came on. If the P0171 is combined with the P0174 code, it's very likely that the problem is caused by an intake leak. (P0171 & P0174) and usually result in rough idle Recently I got CEL with code P0171, searched whole internet for similar issue, but nothing that can corelate with my exact problem. There are a variety of ways to get BMW specific codes with a PC or an Android or iOS device. Going to clean the MAF and check the DISA. 88. I have followed the forum trying to correct the problem. I'm already used to it lol. Come join the discussion about Bimmerfest events, production numbers, programming, performance, modifications Codes were P0172 (Too Rich Bank 1) and P0174 (Too Lean Bank 2) Checked the upper and lower intake boots, ICV and throttle body (replaced all the boots and gaskets back in 2013). Welcome to ShopLifeTV!In this video I go over the most common causes for the p0171 and p0174 codes. Explore Fault Codes P0171 and P0174. Questions / BMW / X3 / 2005 / P0171 and P0174 codes after P0171 and P0174 codes after engine air filter change on X3. so I called BMW of Long Beach which is a couple of miles from my work and luckily they had one Codes P1415, P0171, P0174 & B2aaa. #BMW #E46 #HansGarageCommon fault codes for BMWs. Content on E46 Fanatics Forum is generated by its users. Join Date: Aug 2014. Hello everyone, I have a 330xi with 120k that I just recently purchased. 9K views 9 replies 5 participants last post by sb5437 Feb 17, 2011 P0174 and P0171 System to Lean (bank 1 and bank 2) bimmerfest. Do you think it could be my oxygen sensors ir vacuum leak? P0171 P0174 2011 328i 73k miles I have been fighting P0171 P0174 lean codes for months. On inline-6 BMW engines, bank 1 refers to cylinders 1-3. He also told me that along with the P1415 He also got P0171 and P0174 ( they must have developed after I stopped scanning the car or while I was driving it. Insert Multiple codes:P0174, P0171, P0303,P0306,P0313, P0302, P0304, P0301, P0174, P0171, P0. C. induction leak such as the crankcase,the oil drainback hose, these are just example that should be If you've got P0171 or P0174, you've got a vacuum leak and in this video I will go over all the most common causes for these leaks on the M54 & M52 engines. Reply Quote Like. P along with the endcaps and cleared the codes. Bimmerpost ☰ Model Selection. Lean refers to the air-fuel ratio (AFR) I bought a code scanner and got p0171 and p0174. I have checked my intake boot for tears or leaks A forum community dedicated to BMW owners and enthusiasts. Come join the discussion about Bimmerfest events, production numbers, programming, performance, modifications, classifieds, troubleshooting, maintenance, and more! Bringing the P0174 BMW Code: What Does it Mean? Like a lot of ‘P’ related codes, you will see after performing an OBD2 scan; the P0174 BMW also concerns the air-to-fuel ratio of the fuel-air mixture. My 2004 BMW 330Ci was throwing these codes every time I took a trip over an hour Check engine soon light!! codes p0174, p0171,p1085. Content Hi aim going pretty much crazy with my 2002 BMW e39 525i with 78k miles i have been getting these codes p0171 , p0174 system too lean bank 1 bank 2. In addition to the Bosch starter, one I have P1415, P0174, P0171 and I'm currently checking the connecting tubes to make sure they are not cracked or degraded, (131k 08 328i) I'm wondering what experience Eventaully threw out p1415, p0171, and p0174 codes. Some of the P0171 - Fuel Trim System Lean Bank 1. 7. The P0174 codes is always primary. Before last trip replaced spark plugs and fuel filter/regulator (all factory BMW parts) and lamp came on twice. This thread had the solution. E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. Location: Kearny NJ. E46 Fanatics Forum is an P0171/P0174 Diagnostic Theory for Shops and Technicians When a vehicle has the fault code P0171 and or P0174, it means that computer can no longer automatically adjust the mixture between air and fuel. 9K views 2 replies 2 participants last post by coyojosh Apr 20, 2010 Then it started throwing the P0171 and P0174 codes. Found the fuel cap was actually broken, replaced that. Join Date: Jan 2013. This information is used by the engine control module (ECM) to determine the correct air-fuel mixture for P0174 - System Too Lean (Bank 2) My check engine light came on today. So, I picked up an intake boot and put it on a couple of days ago. I wonder if I can eliminate Intake, Crankcase, Throttle body CCV, IACV, and concentrate on items only affecting bank2, like the O2 sensors? bimmerfest. I got myself Bluetooth OBD scanner so I can read and erase code to see will it come back. I have the code P0174 (bank 2 lean) Been living with it for over 2 years by now. It starts with code P00BC, but after that it shows P0301, P0171, P0174 as well. Disco Mike. F. P. Answered by Walt-Mod in 2 days 12 years ago. Fluctuates between 500 - 800 rpms at idle. , 111 Peter Street, I've been chasing the p0171 and p0174 for months now and finally got it all sorted out until recently ONLY the p0171 came back. This time, I got a P0171 and P0174 OBD code after replacing the filter. I have the following codes. NZ00Z3. The oxygen sensor alerts your system when the condition is too lean meaning there’s too much Hi, First time posting here so be gentle. Content on Previously owned: 03 Infiniti G35 sedan, 00 Mercedes-Benz S-430, 97 Volvo 960, 01 BMW 330i, 97 Lexus ES300, 09 Honda Civic LX, 04 BMW 325CIc, 00 BMW 323i, 97 Honda Accord EX Coupe, 99 Ford Expedition EB, 05 Mazda 6i, 94 BMW 325i, 98 Pontiac Firebird Formula WS6 "Collectors Edition", & 87 Honda Prelude Si (First car) Most P0172/P0175 codes are BS. 3156 posts · Joined 2016 Add to quote; Only show this user The P1415 BMW code indicates that the mass or volume airflow in the vehicle is too low. The oxygen sensor alerts your system when the condition is too lean meaning there’s too much 2002 525i Wagon throwing codes - P0171, P0174, P1083, P1085, P1619. P0171 Fuel trim too lean Bank 1 P0172 Fuel trim too rich Bank 1 P1415 codes when the airflow is to low, and this code condition does not include the EVAP purge system. 2005 X3 3. I was told the maf was at fault so i bought a new one. Tech Notes for P0174 BMW. Some people add seals on spots so gasket doesn’t roll while they put the cover back on but if they Code P0171 indicates the engines computer (commonly known as the DME) thinks the engine is running too lean on bank 1. Change the plugs already and ruled out the coil packs. Save Share Reply Quote Like. Thanks for your time! Save Share Reply Quote Like. One of the most common diagnostic trouble codes (DTC) related to the fuel system in BMW vehicles is the P0174 code. Chrissy74 Discussion starter. The oxygen sensor alerts your system when the condition is too lean meaning there’s too much oxygen in the exhaust. Moderator. date made, 05/02 if it 2001 330i codes P0313, P0174, P0171. The car is leaking oil, (not a lot) it idles okay when it wants to, however sometimes shuts off. 2005 BMW X3. When I reset the light, the car idle'd Hi Everyone, About 4 weeks ago, my service engine soon light came on (2003 X5 3. I also have P0102 Mine threw both P0171 and P0174 Codes which, from everything I read, is a too lean condition. FAQ: BMW Code P0171. To start, I figured vaccum leak simply because well the codes imply the car is running lean and I didn't figure fuel problem because the car didn't bog or have a rough idle. Genuine BMW CCV Kit ($60-ish: ccv & 2 hoses) 11 61 75 34 237. Content on E46 Fanatics Forum is generated by maf o2 sensors p0171 p0174. Sort by Oldest first Oldest first Newest So codes are p0171 and p0174, I open and check all in take boots and inspected they are goood DSAV seems good , gasket seems good and it has functioning well. Short term gets as high as 17%, and ltft gets as high as 24. com is not in any way affiliated with Bayerische Motoren Werke AG. My symptoms are rough idle but the car runs fine with maybe a slight hesitation. Bingo!! I may have solved the misfire and lean codes P0171, P0174, P0300. Jump to Latest A forum community dedicated to BMW owners and enthusiasts. P0174 - Fuel Trim System Lean Bank 2. Previously my BMW idle rpm was jumping by 100rpm so I took it to repair shop, they noticed leaking valve gasket, they have replaced all valve cover and gasket. the following LTFT was taken after two minutes has passed in each Bimmerforums is the preferred online BMW Forum and community for BMW owners. When the belt shreds off, parts of it almost always get wrapped behind the crankshaft pulley and damage the front crankshaft radial seal. So, needless to say, I have tried finding the resolution myself. Reading up online it was possible that it could be a MAF sensor or a Crank Seal air leak? Had the starter go on my wife's '07 E60 M54. Show Less . Both the short term and long term fuel trims are high. Turns out I had had the oil changed but had not really driven more than a few miles then A BMW fault code P0171 or P0174 means that your engine is getting more air than fuel, also known as running "lean". The car ran 100% fine before, idle was very smooth and low. I have read posts from this forum and many others over the past 3 weeks trying to determine my particular issue. RPM not stable at Idle. CCV has been replaced. I have a 2000 Cadillac Deville with code P0412 or P1415 that I can't get rid of. 1K views 14 replies 4 participants last post by Mirawho Feb 26, 2022 P0171 Fuel trim too lean Bank 1 P0172 Fuel trim too rich Bank 1 P1415 codes when the airflow is to low, and this code condition does not include the EVAP purge system. Find a Shop. back to the drawing board. help with P0174, P0171, P1083 and P1085, car sounds like a plane. _____ '15 F30 335i 8AT Estoril II/Black (12. help,p0171 and p0174 codes !!! Jump to Latest 7. what can it be Engine light came, I took it for a scan and gave me P0171 and P0174, which is system too lean in bank 1 and 2. Took it to Auto Zone and the friendly clerk said it is probably the rear upstream O2 sensor. ) He said He got rid of Today I was driving and the Check Engine Soon light came on. Today I replaced torn lower intake boot, cleaned ICV, cleaned throttle body, and cleaned the MAF. One of the most common engine codes that BMW drivers may encounter is the P0171 code. P0171 and P0174 come and go as they please. Tried a Autozone brand MAF, $300 price tag, reset by pulling battery terminal for over an hour and replaced. Oil return line was completely severed. Location: Longmont, CO. The car started idling rough today and I pulled the codes - P0171, P0174, and P0303. However after replacing that line that goes into the intake from fuel pressure regulator, I did something because the errors came back again but with no check engine light on, so I'm back where I was before the check engine light when I bought the car. 9K views 9 replies 5 participants last post by sb5437 Feb 17, 2011 The most common symptoms of code P0171 on BMW applications are largely similar across all applications and could include one or more of the following-Stored trouble code and an illuminated warning light; In some cases, If you are going to maintain your own out-of-warranty BMW yourself, you should seriously consider learning the basic capabilities of INPA. Running too lean, both banks. Thanks guys! Save Share Reply Quote Like. induction leak such as the crankcase,the oil drainback hose, these are just example that should be How to fix code BMW X3 X5 CCV or PCV Lean Code P0171 and P0174 Moral of the story here is just because you changed something a few years ago it does not mean it doesn't break again. Last edited by IcePlanter; 10-13-2017 at 12:48 PM. deleted post turns out, the air filter wasn't it. I found cracked pipes, intake tubes, etc. I have an OBD sensor and hooked it up and ran the codes and it gave the results: P0174 - System to Lean (Bank 2) P0171 - System too Lean (Bank 1) I have been looking at different forums as well as you tube and even the OBD Code results site to read about the issue and most of what I am seeing is [CODE]Confirmed Diagnostic Trouble Codes -P0174: System Too Lean (Bank 2) (Powertrain, Generic) -P0171: System Too Lean (Bank 1) (Powertrain, Generic) Pending Diagnostic Trouble Codes -P1083: Fuel Control Limit Mixture too Lean (Bank 1 Sensor 1) (Powertrain, BMW) -P1085: Fuel Control Limit Mixture too Lean (Bank 2 Sensor 1) 2002 BMW 530i sport. Best. P0171, P0174 and P00BC - 2009 E92 328i Hi, I am getting all these 3 errors after changing valve cover. If the problem persists the front oxygen (O2) sensor may need to be replaced. I opene Close. 8 posts Read codes p0171 2005 BMW X3 engine code P0171 P0174 and than a bunch of misfire codes. I It has a P0171 code system lean bank 1. The mass airflow sensor (MAF) is a crucial component in the vehicle's fuel injection system, as it measures the amount of air entering the engine. Im assuming its a vacuum leak. bmw e39 Some of you may know I have been chasing codes p0171 and 174 at startup and cold idle, I replaced the vacuum hose in the back of the intake for the S. Anything ranging from a vacuum leak to a weak fuel pump can set these codes. 1 answer 684 P0171 P0174 P0300 P0336 P1083 P1085 P1348 P1351 P1353 P1512. 0 answers 275 views. I have checked for vacuum leaks with carb cleaner at idle - nothing. Ses light came on, reader came back with code P0171 and P0174. Sounds like a bad seal somewhere can this cause the p0171 and p0174 what do the code p1415 on a 2006 bmw 325i mean P1415 BMW - p0174 p0171 p0175 p0172. MAF replaced with after market 3. I have done pretty much everything and spent hundreds on dealers and repair shops any help would be highly appreciated i have done the fallowing repairs > 1. 1. P1343 Misfire Cylinder 1 With Fuel Cut-off (BMW) P1345 Misfire Cylinder 2 With Fuel Cut-off (BMW) P1347 Misfire Cylinder 3 With Fuel Cut-off (BMW) so that would be bank 1 reading off bank 2's sensor. replaced all 4 oxygen sensors Bosch brand. . These sensors won't oscillate like a P0174 BMW Code: What Does it Mean? Like a lot of ‘P’ related codes, you will see after performing an OBD2 scan; the P0174 BMW also concerns the air-to-fuel ratio of the fuel-air mixture. 0i). Customer: 2007 bmw 328xi 6 cylinder 3. A forum community dedicated to BMW 2007 BMW 335i FBO 6MT - Current 2013 Nissan Nismo 370Z - Current 2004 Non-M Facelift Coupe - SOLD Welcome to my world, where the CEL is always on 24/7 cause of P0171 and P0174 and the low coolant lights up every morning and sometimes afternoon. Controversial. I go thru some of the common areas to test and how the MAF readings led to finding P0171, P0174, P1083 and P1085. 4i M62 112,782 miles with the same problem also these codes are switched sometime from: (P0171/P0174) to (P1158/P1160) or a few time you might see all of them @ P0171 & P0174 are probably the two most common codes an E46 M54 will produce. I thought I got a good deal until I took it home. E46 p0171 and p0174 codes. A forum community dedicated to BMW owners and enthusiasts. _____ [FONT="Century Gothic"][SIZE="1"]F30 335i xDrive(loaded) Appreciate 0 Quote 09-19-2014, 03:23 AM #4: grussauto. I pull my cheapo OBD scanner and see P0171 & P0174 come up. M bimmerfest. On any cold start in the mornings there has not been any rough idle nor have I noticed the check engine come on due to these two codes. Open comment sort options. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them. 94mph) resulting in TOO LEAN running, which would give opposite codes (P0171 & P0174) and usually result in rough idle or BMW CODE P0171 P0174 FIX E90 E91 E92 E93 316i 318i 320i 323i 325i 328i 330i 335i 318d 320d 325d 335dIf you have BMW and you have code P0171 or code P0174 Oor Occasionally I get a P1415 SAI pump failure could this be causing my P0171,P0174 and P0734? I am going crazy and I need some advise badly. Rep. iTrader: High Mileage 330xi with P1415 code. Drove over 100 milescodes still on An auto parts place checked the ODB code of my '03 E46 and found P0174. Both times it went away after. Content on bimmerfest. No running issues noted along with light. In my experience, at idle, BMW lambda sensors typically read 2. I have seen lots if threads regarding both P0171 and P0174 but very little for just the one code. LeadTech88. All other hoses checked out okay and no visual leaks 4. E46 Fanatics Forum is not in any way affiliated with Bayerische Motoren Werks AG Probably 30 miles after replacing that valve cover the check engine light came on - turning out to be the dreaded P0174 and P0171, which I've found typically means there is a vacuum leak somewhere. This code indicates that the Mixture Control 2 System is Too Lean in Bank 2. By the time I back it in the SES light comes on. I would replace the seal. Jump to Latest Follow 2010 BMW 550i MT 2003 BMW 325i @216k and counting 1998 BMW 528i MT @ 231k //sold 1997 Saab 9000 //sold. bimmerfest. Full Forum Ok so I am throwing the P0171 (Bank 2 too lean) code as well as a gas smell that has progressively gotten worse over the last 3-weeks. Jump to Latest Well I need this part today. I didn’t touch intake hose while changing VCG. 0 liter cars between 2000-2004 because they would develop extremely dangerous しかし、私はまだ同じコードをp0171、p0174、pxnumxの順序で持っていると思います。私は行きます 1997フォードf-150コードp0171＆p0174私は約150マイルのフォードf-4. I have an OBD sensor and hooked it up and ran the codes and it gave the results: P0174 - System to Lean (Bank 2) P0171 - System too Lean (Bank 1) I have been looking at different forums as well as you tube and even the OBD Code results site to read about the issue and most of what I am seeing is A forum community dedicated to BMW owners and enthusiasts. I'm getting a p0174. help a lil' Post by Zulu4 » Wed Apr 21, 2021 6:58 pm I think I need a 'code peruser'. Top. Jump to Latest 4K views 11 replies 6 participants last post by Chrissy74 Mar 5, 2015. 10-12-2017, 02:10 P0171, P0174 and P0111 pending after CCV replacement. A. These codes are set by the o2 sensors detecting a lean co Customer: 2006 bmw 330i with 91k, I have been getting the SES with a code P1415, P0171, P0174 and it idles rough when warmed up. This is an older thread, you may not receive a response, and could be reviving an old thread. E46 Fanatics Forum is not in any P0171 - Fuel Trim System Lean Bank 1. P00BC, P0171 and P0174 seems to take me to vacumm leak but I don’t know which hose I may broke during changing. Come join the discussion about Bimmerfest events, production numbers, programming, performance, modifications, classifieds BMW P0171 Code : Mixture Control System Too Lean. I read the many P0171, P0174 threads, but I'm only getting a P0174 which is only bank2. Cleaned the Mass Air flow sensor. I cleared the codes and they keep re-appearing. If there is a "real" rich situation, often this is due to a mis-reporting sensor of the wrong/counterfeit part(s) installed, but there are only a few cases where modern computer controlled Occasionally I get a P1415 SAI pump failure could this be causing my P0171,P0174 and P0734? I am going crazy and I need some advise badly. SES light went off an hour later. BMW P0174 Code : Mixture Control 2 System Too Lean Bank 2. The only code I get from the car is a P1415 or for BMW world 2D06; wish I had some other code maybe I would get a better overview, but it is the only code I get. I erase it and go home. Asked by Visitor in Potomac, MD on . BMW wants BMW: E46; Audi: A3, A4; Αν το αυτοκίνητό σου εμφανίσει τον κωδικό P0171, βεβαιώσου ότι οι διαγνωστικοί έλεγχοι έχουν πραγματοποιηθεί σωστά και ότι η βλάβη εξακολουθεί να εμφανίζεται. 00-2. 22 posts · Joined 2015 Add to quote; Only show this user #1 · Mar 3, 2015. Possible Causes and Repair Information for P0171 code. Tags log lpg p0171 p0174. Posts. E81 / E82 / E87 / E88Model Year: 2004 - 2011. What causes P0171 and P0174 codes BMW? P0171 is triggered by the engine bank 1 “upstream” oxygen sensor and P0174 is triggered by the engine bank 2 “upstream” oxygen sensor. Replaced those. Tried to clean MAF sensor but not success. June 23, 2022. Symptoms: 1. INPA is a VERY powerful tool, but it takes TIME to learn how to use, and many of the technical terms are in German, requiring translation with Google Translate or such. New. Hey guys, today I have a 2007 BMW 328i and I just wanted to share a quick tip for anyone that is having trouble with a check engine light and codes P0171 or I have a 2005 bmw x3 and codes p0171 and p0174 1. flatlander77. 2、6l、v141,000を持っていま P0171, P0174 and P00BC - 2009 E92 328i Hi, I am getting all these 3 errors after changing valve cover. Jump to Latest 21 - 32 of 32 Posts. I've replaced all of the following parts within the last 6 months Maf Air filter Fuel filter Fuel pump Country: United States Make: BMW Year: 2001 Engine: 2. The Best in Auto Repair. Here's the long story: My starter was going bad, so I replaced it with a new Bosch unit. asked May 11, 2018 by anonymous. At Bimmerforums, you will find technical how-to information maintenance specifics audio advice wheel and tire combinations and model specific details not found anywhere else. Reactions: Bali. Down to 5 codes (P0171, P0174, P1083, P1085, P1619). I searched around the site when I was diagnosing and it was very helpful: When I got the codes (and rough idle), I searched for vacuum leaks and found the common one where the intake hose connects to the throttle body. I have changed the P0171 the car doesnt seem to idle rough or How to diagnose the common P0171 and P0174 lean codes on a BMW M54. 1 2. 2002 e39 bmw 530i, codes are p0171, p0174, p1083 and p1085. change without swapping Valvetronic motors, the need to re-learn via Is there a link between the code p0171, p0174 and the code p0444? Do you know where the air intake can come from if the smoke comes out of this location? Thank you . Drives: 2010 328xi. It has started running bad and throwing codes. 57 posts · Joined 2016 Add to quote; Only show this user #1 · Dec 21, 2016. 2. Come join the discussion about Bimmerfest events, production numbers, programming, performance, modifications, classifieds, troubleshooting, maintenance, and more! With the right knowledge and approach, you can effectively manage BMW code P0171 and ensure your ultimate driving machine continues to deliver the performance and reliability you expect. (p0171/p0174), you were referring me to search for a plastic vacuum line running along with the connections for o2 sensors. P0171 is triggered by the engine bank 1 “upstream” oxygen sensor and P0174 is triggered by the engine bank 2 “upstream” oxygen sensor. What does P0171 P0174 mean? Meaning. Mechanic's Assistant chat. I changed Fuel Filter, disa valve, crank case vent kit, upper and lower intake boots, and etc. Come join the discussion about M code P0171/P0174 I have the same vehicle: 01 X5 4. G42Model Year: 2021 + F44Model BMW M3 and BMW M4 Forum > BMW F80 M3 / F82 M4 Technical Topics > Engine / Drivetrain / Exhaust / Bolt-ons / Some things to try on this thread though (which I found by googling p0171 BMW e90). Pre-BMW Whackjob (2014): 1977 Monte Carlo, 1966 Chevy, 1986 Monte Carlo SS, 1978 Caprice Classic, 1992 Camaro RS, 1984 Citation Wagon, I have the dreaded P0171 and P0174 codes. ScoobyR1 Member Posts: 427 z4- P0174 and P0171 errors - system to lean. i have changed all air intake hoses. Members Online • Savage-Sparco. Customer: BMW 528I 2008 CODE P1415 P0171 P0174. programming, performance, modifications, classifieds, troubleshooting, manifold adjuster p0171 p0174 rough idle Jump to Latest 7. code-p0412; code-p1415; 0 like 0 dislike. 2K views 31 replies 11 participants last post by OnTheFence Dec 23, 2016. What. 5 Already Tried: 2001 bmw 325i i am getting codes p1083 p1085 p0171 p0174 what i have done so far i have replaced the ccv and put a new fuel filter on. replaced air P0171, P0300, P1349, P0174, P1351, P1504, P1508 & P0731 it runs rough and the other - Answered by a verified BMW Mechanic. Attachments. only time it would rough idle is cold start in the morning for like a second but then catch itself. Your BMW engine is equipped with oxygen sensors - small probes that extend into the exhaust When i had my P0174 and p0171 it was the lowest stream o2 sensor. There was an internal BMW bulletin regarding the original injectors used on the M54/3. Jump to Latest bimmerfest. VerticalScope Inc. F40Model Year: 2019 + Previous Generations; F20 / F21Model Year: 2012 - 2018. Alkaddumi Discussion starter. OBD-II P0300, P1415, and P0171. The smaller hose had a tear about 1 inch long. timarnold. what i was hoping to see was the p0174 go away and then p0171 come up, which would point to a bad sensor. I own a 2007 bmw 328i Wagon N52. Full Forum Listing. Walt-Mod. , 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, I started getting the dreaded codes P0171 & P0174 Lean mixture banks 1 & 2 on my '05 E46 330ic with 93k miles. I have searched countless articles about this, and I hope I can pinpoint the issue given my unique symptoms. Twice in my 8 years of owning my 05 x3 I've got codes p0171 and p0174 at the same time (similar code). The car get these codes intermittently. A. I Drives: 2006 Bmw 330xi. Now I'm getting only the P0171, but so far it's only pending. P0171 & P0174 Just my luck. I have replaced both the DISC Valves, Cleaned both the Vanos Solenoid's. I hope people can give me some insights. before all of this i replaced my valve cover gasket and all these things started to happen i had a smoke test done at the bmw dealership and told me to i have searched and read about the P0171 and P0174 codes and possible causes. I erased the codes but the SES light came back on after driving for about 30 minutes. Oi P0171/P0174 Lean Codes Help Jump to Latest 4. Come join the discussion about Bimmerfest events, production So many issues. Come join the discussion about Bimmerfest events, production numbers, programming, performance, modifications, So many issues. I do notice one eve when I was driving I had surges of accelerations? What should I look at first Checked the coolant and it’s a white milky colour. We use cookies to give you the best possible experience on our website. Seems to be codes that are regularly thrown and list of possible faults is quite long if you search this and other BMW forums. My question is . Hi aim going pretty much crazy with my 2002 BMW e39 525i with 78k miles i have been getting these codes p0171 , p0174 system too lean bank 1 bank 2. 2007 BMW 335i FBO 6MT - Current 2013 Nissan Nismo 370Z - Current BMW CODE P0171 P0174 FIX E90 E91 E92 E93 316i 318i 320i 323i 325i 328i 330i 335i 318d 320d 325d 335dIf you have BMW and you have code P0171 or code P0174 Oor I have been getting misfire codes and system too lean on both banks (p0171, p0174) codes. I'm throwing the dreadful codes of P1083,1085,0171, and 0174 inside my 2002 BMW 525i E39 M54 engine. Problems: *service engine soon *odometer no longer works, before came on and went off, now permanently off *fuel mileage doesn't go above 150 miles remaining *car shuts off at low rpms *car shuts off while driving at low rpms *e Just wanted to post for future users I had the famous p0171 & p0174 codes. As a car owner, it can be frustrating to encounter issues with your vehicle’s fuel system. 07v at idle under normal conditions. The car had a bunch more codes (lean, misfires etc - 13 in all). 11,556 Satisfied Customers. It shows up about once a month. P0313 BMW 238 to BMW 243 inclusive, Misfire Detected with Low Fuel; P1085 BMW 203, Fuel Control Limit Mixture Too Lean I have pulled 3 different codes, P00BC, P0174, AND P0171. Changed out the Crakcase valve and associated hoses with a kit from EEuroparts; The car runs way better now. You can get a Peake reader which will read BMW-specific codes, which should pin-point things a little further. I have 2 scanner tools, the Innova 3100 w/ABS and the Creator tool specific to BMW. I did P0171 and P0174 2003 Bmw 325i. On start up is idles rough but after a minute or so it stops and is fine. 218 @ 114. ADMIN MOD I need some help/Codes P0171 and P0174/2004 BMW 525i Share Sort by: Best. Intake boot replaced with after market 2. Inspected the typical intake boot for leaks - none. P0171 P0174 P0102 P1415 I know that both o2 sensors are ( p0171 & p0174 ) but I dont believe they both failed at the same time. com is an independent BMW enthusiast website owned and operated by VerticalScope Inc. I will get the code every 7 days or so assuming I drive 2000 BMW 740i. I looked under the hood and saw that my air box had a clip come off, so I put it back on and reset the light. This causes an air leak in the crankcase system which will cause the lean mixture faults. iTrader: I have read a lot of posts, but missed this one. Hello, My BMW has the following codes from beginning to end: P1085, P1083, P1349, P1349, P1345, P1343, P0171, P0174, P0102 . It’s a 2002 BMW 325Ci with 143,000 miles. The quality of parts now are not the s I was getting P0171 and P0174 and after chasing a few known leaks, I replaced the MAF. , a visual inspection is need , check vacuum leaks like a brake booster hose. Our professionals are here to help make sure you find the answers you need to your questions and I have a 2004 330ci conv (SMG, Perf package, Sport pkg, 60,000 miles) which will trip the MIL with p0171/p0174 (lean both banks) after driving long distances (usually 100+ miles or more). Still no fix to the codes, they always come back within 100 miles of being reset after repairs/maintenance. Not sure what would cause only 1 bank to throw a too lean code though. 2010 BMW 550i MT 2003 BMW 325i @216k and counting 1998 BMW 528i MT I have constant p0171/p0174 on my car and if I’m going 35 and put pedal to the floor it goes in limp mode. Pre-BMW Whackjob (2014): 1977 Monte Carlo, 1966 Chevy, 1986 Monte Carlo SS, 1978 Caprice Classic, 1992 Camaro RS, 1984 Citation Wagon, 1987 Sedan DeVille, 1997 Astro conversion, 2005 P0171 Bank 1 system too lean P0174 Bank 2 system too lean Everytime I erase the codes, they return in about a week. Come join the discussion about Bimmerfest events, production numbers, programming, performance, modifications I fixed my P0171 and P0174 codes and wanted to pass along what I learned. I've been reading up on this and wondering if the lean condition can cause the misfire as opposed to the coil being bad and causing the misfire. Private . In a BMW, when the BMW: E46; Audi: A3, A4; Αν το αυτοκίνητό σου εμφανίσει τον κωδικό P0171, βεβαιώσου ότι οι διαγνωστικοί έλεγχοι έχουν πραγματοποιηθεί σωστά και ότι η βλάβη εξακολουθεί να εμφανίζεται. I've read about a dozen Bimmerfest threads about this and I now have to ask this question. If there are no intake leaks, the next step is to replace the air filter and clean the air flow meter. A forum community dedicated to BMW E46, E90, and F30 owners and enthusiasts. P0174 means you're running lean -- most likely a crack in your This E46 came in with DTC's P0171 & P0174 codes for lean running engine. 16548 posts · Joined 2004 Add to quote; Only show this user #2 The car is a 2002 BMW 330ci with just over 107K miles on it. 95% of you who have this problem will be covered by this video. Getting codes p0171 and p0174 on BMW 2006 330i. I also know when I need help, hence, this post. 2001 Z3 3. bmw; p0174; p0175; p0171; p0172; 0 like 0 dislike. BMW E39 tribal knowledge misfire-troubleshooting algorithm: If your engine is misfiring, immediately turn off Then 3-4 days later I got codes P0171 and P0174 and based on a research I decided to clean the MAF sensor and now the X3 runs without a code and as brand new ! Another happy BMW X3 owner here ! :thumbup: 2014 BMW 535i M-Sport 2011 BMW 335i Performance Power Kit (Son's) 2013 BMW X5 (Wife's) 2000 BMW 323Ci (Son's) BMW P0170 and P0174 2004 BMW 325i, codes P0171 & P0174 what means system too lean bank 1 and bank 2, the issue that was causing this codes was a bad Disa Valve that you can bu Ive been chasing the solution to these codes for almost a month know, has caused many headaches. I have so far: professional vacuum leak test done with no leaks; measured fuel rail pressure which showed around 46psi at priming; A forum community dedicated to BMW owners and enthusiasts. Here's where things got worse. I don't want to endorse a product so continue to hone your google-fu. Both of these codes are 'lean conditions', which can be caused by any number of issues. Come join the discussion about Bimmerfest events, production numbers, P0171, P0174 and P00BC - 2008 328i. S. I had the codes read and found P0171, P0174 indicating both banks A subreddit for BMW technical support. These codes can point to a ton of possible causes. 0si msport P1415 P0171 P0174 replaced valve cover with bmw part, oil filter housing gaskets, ccv hose, throttle body gasket, fuel preasure is 70psi, P1415 has not came back yet I'm help,p0171 and p0174 codes !!! Jump to Latest 7. Come join the discussion about Bimmerfest events, production numbers, programming, performance, modifications, classifieds, troubleshooting, maintenance, and more! Bringing the BMW community together. In a BMW, when the P0171 BMW 227, System Too Lean (Bank 1) P0174 BMW 228, System Too Lean (Bank 2) Clearing yet again, and driving for a dozen additional miles, I found, in this order when I shut the engine down to look for vacuum leaks: DTC. 10,000 satisfied customers. 2002 bmw 525i p0174 obd-ii trouble code compendium: p0174 = "system too lean (bank 2)". I have done pretty much everything and spent hundreds on dealers Yep, I have to do a smoke test for sure. I had great luck using the method I mentioned previously. new maf, new throttle Triage for solving P0171, P0174 codes. I pull over and read the codes, I got P0174 and P0171. By neun in forum 1999 - 2006 (E46) Replies: 3 Now the test results read just one code P0174( system to lean bank 2) and my wife took it to autozone and they hooked it up and said ECM has detected a rich or lean air/fuel ratio condition on engine bank 2. Used to own audis, on my first BMW as of 10/19/10! '99 Audi A6 - Totaled '01 Audi A4 - Blown Engine '02 BMW 530i - F-in Awesome. 500 miles later the SES light pops up with the same code. Symptoms: P0171 and P0174 Gas mileage terrible Long Term Fuel trims around 24% Short I changed VCG but getting SES light on. 2001 BMW 330i: P0171 P0174 fixed by just easily replacing one oil separator hose For those with P0171 and P0174 codes, but without known causes yet, you might take a look at the easily accessible lower oil separator valve hose, which goes from the oil separator down to the dipstick tube. The P0174 and P0171 codes are the only ones left that I can’t fix. Sort by Oldest first Oldest first Newest first Most reactions. Sometimes code is back within few minutes, sometimes its off for 5 days and then comes back. I have replaced the precat O2 sensors, changed the MAFs and checked for air leaks Auto Zone's code is P2240 and P0171 P0174, my own ODB reads P0444 P0171 and P0174. How to diagnose and figure out the exact problem. 20181208_175333 A forum community So codes are p0171 and p0174, I open and check all in take boots and inspected they are goood DSAV seems good , gasket seems good and it has functioning well. Q: What does BMW code P0171 mean? A: BMW code P0171 indicates that the engine is running too lean (excess air) on bank 1. Automotive Engineering and 20+ years of mechanic experience. As a car owner, it can be frustrating to see the check engine light come on. I hook the car up to PA BMW SOFT and erase the codes. Save Share. After a cold start I got codes p0174 p1343 p1345 1347, I moved the coils around to see if the misfire would change no change, I installed new plugs but only 2007 bmw x3 3. Come join the discussion about Bimmerfest events, production numbers, programming, performance, Hey guys, so I've got an E39 530iA with almost 100k miles and all of a sudden the SES light comes on. Once again another thread on the dreaded P0171 P0174 fault codes and proving elusive to fix. Jump to Latest 5. BMW 528I 2008 CODE P1415 P0171 P0174. In replacing the starter removed (displaced) the fuel injector rail and the intake manifold. I replaced the Ignitions Coils (my self) with the oem Bosch Ran it by autozone and find the codes are P0171 & P0174 indicating lean condition on bank 1&2. So im going to check the intake boot and hoses. com is generated by its users. T. Re: Re: Valve Cover Gasket Causing Lean Running - P0174 & P0171 I do have a scan tool. What do I try next? asked Aug 2, 2018 by Mike. Please consider creating a new thread. 0 codes reading p0174 p1415 p0171 p1105 Mechanic's Assistant: Just to clarify, what's the exact code? And have you tried to reset it? Customer: Yes I reset and it’s coming back on Mechanic's Assistant: Are you fixing your 328xi yourself? What have you tried so far? Customer: I filled it up with gas 1 day and the light came on so I put a new BMW E46 p0174 p0171. have a 2002 325i M54 engine and I keep getting these codes even though I have no vacuum leak, new spark plugs and coils can't fix p1415,p0171 & p0174 help. 0, 104K miles. The codes p1415, p0174, p0171 showed up. qowdc pqfidn dsjikho zwzvwb dlpim atcd vvzbee laz lrjbpvv ckdc