All good. I decided to go back to the basics for P0171, valve cover or vacuum hoses. I had the valve cover installed by the quite incompetent German Auto group when they installed the engine, but I assumed it was good. Well, come to find out, it was not. I found 2 valve cover bolts that were not even hand tight.Car hesitation, Code P0171. How to fix car hesitation when accelerating by replacing leaking intake manifold gasket, DIY with Scotty Kilmer. How to fix intak...The fuel trim increases the more the accellerator is pushed. It runs smooth and does not show any issues other than the CEL with code P0171. What should be checked or replaced? If it was a vacuum leak I would expect the trim to be lean but the trim is 0 at idle. It starts and runs fine do it does not look like a fuel issue. My car has 106000 miles.Jun 30, 2022 · Diagnostic trouble code P0171 means System Too Lean (bank 1). That means the car computer noticed the engine is running lean. A lean system means the air-fuel ratio entering the combustion chamber is not what the engine wants. It means there is too much air or too little gas to balance the specified mixture ratio. 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. I'm already used to it lol.. 2007 BMW 335i FBO 6MT - Current. 2013 Nissan Nismo 370Z - Current. 2004 Non-M Facelift Coupe - SOLD.Drives: 2022 430i Gran Coupe. Join Date: Oct 2017. Location: Austin, TX. iTrader: ( 0) Diagnosis Help - P0171 Lean Code. Hey fellas, I'm trying to diagnose a lean DTC code P0171 on my 14' 435i. I did once receive a code for o2 sensor circuit slow switching from rich to lean for the downstream sensor. I have …ON Semiconductor Corp. has secured a long-term agreement with BMW AG to support the German car-maker's electric vehicles.Read more on 'MarketWatch' Indices Commodities Currencie...Diagnostic trouble code P0171 means System Too Lean (bank 1). That means the car computer noticed the engine is running lean. A lean system means the air-fuel ratio entering the combustion chamber is not what the engine wants. It means there is too much air or too little gas to balance the specified …It’s a 2002 BMW 325Ci with 143,000 miles. It has started running bad and throwing codes. The P0174 and P0171 codes are the only ones left that I can’t fix. The P0174 codes is always primary. I have 2 scanner tools, the Innova 3100 w/ABS and the Creator tool specific to BMW. ... P0171 is the secondary code when the P0174 get triggered, but ...Vídeo explicativo sobre el CÓDIGO DE FALLA P0171. Descubre qué significa, por qué ocurre y cómo solucionarlo correctamente.LEER SOLUCIÓN DEL CÓDIGO OBD2 EN...A P0171 code is a trouble code that is stored in the onboard diagnostics system of a vehicle. This code indicates that the engine is running lean, meaning that the air-fuel ratio is too high and there is not enough fuel being delivered to the engine. This code can be caused by a variety of issues, from a vacuum leak to a faulty fuel pressure ...BMW code P0174 indicates that the PCM has detected a lean running condition in cylinder bank 2. It also implies that the engine’s air/fuel mixture is incorrect, with too much air and inadequate fuel. ... The code P0171 is a lean trouble code kept in the PCM for your car based on the readings from the oxygen sensor (O2). If your car …Join Date: Dec 2022. Location: Belgrade. iTrader: ( 0) 328i N20 - P0171 Lean codes all time. Hi guys, Last winter I had an issue with BMW 328i (N20) and this lean code, replaced low pressure fuel pump in the tank, and after that code didn't came back for almost a year. Now with cold weather I got it again.16 Jan 2018 ... 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 ...Dec 7, 2023 · The most common cause of the P0171 DTC is having an aftermarket intake that is not tuned for. Other common causes include vacuum leaks, exhaust leaks, a clogged fuel system (injector, pump, regulator), or faulty MAF, O2, or fuel pressure sensors. Most often it is an intake or vacuum leak causing the code. In this video, I show you how I troubleshoot a Check Engine Light (CEL) / Diagnostic Trouble Code (DTC) P0171, System Too Lean Bank 1. The exact vehicle in ...Oct 21, 2020 · =====Claim your FREE engine code eraser 👉 https://free.nonda.co 👈===== How to Fix P0171 =====Engine Code P0171 Saving Repair... Ran it by autozone and find the codes are P0171 & P0174 indicating lean condition on bank 1&2. ... 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! ...Xoutpost.com is a private enthusiast site not associated with BMW AG. The BMW name, marks, M stripe logo, and Roundel logo as well as X3, X5 ...The move reflects how traditional carmakers are under major pressure to get deeper into the shared-mobility market. Relying simply on selling cars is no longer enough. BMW and Daim...in this video i show you how to diagnois a p0172 system too rich bank engine code on a e90 bmw. i smoked the engine and i found the vacum leak, that is what ...DTCs P0171 and P0174 are generic codes that set when the feedback on the engine's air/fuel mixture becomes too lean for the Engine Control Module (ECM) to correct within its normal operating range. A lean mixture is a mixture that has too much air or not enough fuel. The ECM sets a target air/fuel ratio and monitors it using oxygen sensors and ...527 posts · Joined 2007. #1 · Apr 6, 2015 (Edited) I've been trying to chase down the source of this P0171 code. It's only on bank 1. The car runs great. No hesitation, no misfires or anything, except when WOT on the highway it will go into what seems like limp mode: all dash lights come on, no throttle. Pull over and idle …10086 posts · Joined 2014. #3 · Oct 26, 2016. Rellimcod said: My check engine light came on this past weekend. I went to AutoZone to read the code. It was P0171 - Bank 1 - running too lean. Autozone recommends cleaning the MAF. But, they could not tell me where the MAF is or how to clean it.Ignoring or neglecting a P0171 engine code can have adverse effects on your vehicle: Reduced Fuel Efficiency: A lean mixture can result in poor fuel economy, costing you more at the pump.; Decreased Performance: Your vehicle's power and acceleration may suffer, leading to a less enjoyable driving …P0171 is a diagnostic trouble code for a lean condition of the fuel system on the first bank of the engine. It can be caused by various factors, such as a faulty fuel pressure …Learn what BMW fault code P0171/P0174 means, what causes it, and how to diagnose and repair it. This code means your engine is getting more air than fuel, also …Dec 14, 2011 · p0174 with misfire P1343 p1345 p1347. 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.A.P along with the endcaps and cleared the codes. After a cold start I got codes p0174 p1343 p1345 1347, I moved the coils around to see if the misfire would ... P0171: Mixture control: Fuel-air mixture too lean Bank 1 P0174: Mixture control: Fuel-air mixture too lean Bank 2 ... M52TU: Rebuild kit can be found on eBay or vanos-bmw.com, 11617504543 M54 (Engine displacement specific), M56 (Same as M54B30): O-ring and rebuild kit can be found on eBay or GAS, no OE part available.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, new DISA valve, me O2 sensors, new valve cover gasket and I just installed new OEM fuel pump. Do you guys think this could be caused by bad oil dipstick seal or bad fuel filter.Diagnostic trouble code P0171 means System Too Lean (bank 1). That means the car computer noticed the engine is running lean. A lean system means the air …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. ... bimmerfest.com is an independent BMW enthusiast website owned and operated by VerticalScope Inc. Content on bimmerfest.com is generated by its users. bimmerfest.com is not in any way affiliated …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, new DISA valve, me O2 sensors, new valve cover gasket and I just installed new OEM fuel pump. Do you guys think this could be caused by bad oil dipstick seal or bad fuel filter.As with many cars, the EML on a BMW is the engine management light. When the engine management light shows on a dashboard, it means the computers aboard the car have detected a pro...593 posts · Joined 2010. #1 · Dec 14, 2011 (Edited) 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.A.P along with the endcaps and cleared the codes. After a cold start I got codes p0174 p1343 p1345 1347, I …JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals. I have a 2008 328i. I recently received P0171 And P0174 OBD codes. I recently had an oil change and added a bottle of - Answered by a verified BMW Mechanic.A P0171 code is set by your vehicle’s powertrain control module when the air-to-fuel ratio is too lean. This means that the engine is receiving too much air into the …A P0171 code is set by your vehicle’s powertrain control module when the air-to-fuel ratio is too lean. This means that the engine is receiving too much air into the …Sep 10, 2016 · #BMW #E46 #HansGarageCommon fault codes for BMWs. How to diagnose and figure out the exact problem. As with many cars, the EML on a BMW is the engine management light. When the engine management light shows on a dashboard, it means the computers aboard the car have detected a pro...As with many cars, the EML on a BMW is the engine management light. When the engine management light shows on a dashboard, it means the computers aboard the car have detected a pro...El código P0171 significa que el sensor de oxígeno (O2) en el banco 1 reconoció una mezcla demasiado pobre para corregirla. Los sensores de oxígeno O2 tienen la capacidad de corregir una mezcla de combustible de + -15%. Si necesita corregir la mezcla de aire y combustible más que eso, se almacenará el código P0171.On V6/V8/V10 engines, Bank 1 is the side of the engine that has cylinder #1. The P0171 is one of the more common trouble codes. This code is triggered by the first downstream (front) O2 sensor. The sensor provides a reading of the air:fuel ratio leaving the engine's cylinders, and the vehicles powertrain/engine control module …P0171 P0174 . BMW 325i 2001: Just got these codes, can the MAF sensor cause both of these? Watched a video on how to diagnose the MAF sensor, turned car on and let it idle and unplugged MAF. According to YouTube, car should turn off if it works, but mine stayed on. Was this an accurate way to diagnose the MAF sensor?4 Dec 2019 ... Trade seems to go for easy fix but high-cost oxygen lambda sensor and MAF sensors then hose leaks. In modern BMW unlikely to have hose leak ...Causas comunes del código P0171. 1. Sensor de oxígeno defectuoso. 2. Sensor de flujo de aire en masa (MAF) sucio o defectuoso. 3. Fugas de vacío en el sistema de admisión. 4. Inyectores de combustible sucios o defectuosos.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. ... Some of the high performance 4-cylinder and straight 6-cylinder engines (such as those in BMW and Lexus) split the cylinders into groups of ...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. I'm already used to it lol.. 2007 BMW 335i FBO 6MT - Current. 2013 Nissan Nismo 370Z - Current. 2004 Non-M Facelift Coupe - SOLD.Feb 1, 2008 · Then it started throwing the P0171 and P0174 codes. I found cracked pipes, intake tubes, etc. Replaced those. Found the fuel cap was actually broken, replaced that. Still no fix to the codes, they always come back within 100 miles of being reset after repairs/maintenance. Like. The first thing I did was to take it to an autopart store, which in my case was O'Riley and the codes read p0174 and p0171, which meant my system were too lean on bank 1 and 2. That also means that one of my oxygen detected a …In this video, I show you how I troubleshoot a Check Engine Light (CEL) / Diagnostic Trouble Code (DTC) P0171, System Too Lean Bank 1. The exact vehicle in ...Sep 6, 2022 · In the most literal sense, the P0171 code means “System Too Lean (Bank 1).”. This trouble code points to a lean running engine condition on the first bank of cylinders. Keep in mind that even inline engines can have two “banks.”. For example, the first 3 cylinders of an inline-6 are sometimes defined as Bank 1, while the 3 cylinders are ... BMW code P0171 is assessed as having medium severity. Although not an extremely serious problem, some symptoms can affect performance and driving experience. It is important to judge and handle the problem carefully.2006-2008 BMW X3 PO171| PO174 System Too Lean Bank 1 and Bank 2Common problem smoking and burning oil. Must remove intake manifold in order to reach crankcas...P0171 definition: Bank 1 has too much air or not enough fuel. Issue Severity: MODERATE– Extended driving with this code can cause internal engine damage. Repair …Learn what BMW code P0171 means and how to fix it. This code indicates a lean condition in the engine's air-fuel mixture, which can affect performance and emissions. Find …29 Jan 2021 ... Your browser can't play this video. Learn more.For checking for crack search for the P0171 and P0174 codes in this forum and you'll find the "light technique" that used to look for holes without taking off the boot. ... A forum community dedicated to BMW owners and enthusiasts. Come join the discussion about Bimmerfest events, production numbers, programming, performance, modifications ...P0171: Mixture control: Fuel-air mixture too lean Bank 1 P0174: Mixture control: Fuel-air mixture too lean Bank 2 ... M52TU: Rebuild kit can be found on eBay or vanos-bmw.com, 11617504543 M54 (Engine displacement specific), M56 (Same as M54B30): O-ring and rebuild kit can be found on eBay or GAS, no OE part available.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, new DISA valve, me O2 sensors, new valve cover gasket and I just installed new OEM fuel pump. Do you guys think this could be caused by bad oil dipstick seal or bad fuel filter. Drives: 2022 430i Gran Coupe. Join Date: Oct 2017. Location: Austin, TX. iTrader: ( 0) Diagnosis Help - P0171 Lean Code. Hey fellas, I'm trying to diagnose a lean DTC code P0171 on my 14' 435i. I did once receive a code for o2 sensor circuit slow switching from rich to lean for the downstream sensor. I have done a boost leak test and tightened ... Oct 17, 2023 · Learn what BMW fault code P0171/P0174 means, what causes it, and how to diagnose and repair it. This code means your engine is getting more air than fuel, also known as running "lean". It can be caused by a vacuum leak, a mass air sensor, or a faulty oxygen sensor. Symptoms include rough running, stalls, or lack of power. Apr 26, 2022 · P0300 BMW: Meaning, Causes, Symptoms, & Fixes. If you’re driving a BMW and experience a check engine light, there’s a good chance that the code P0300 is popping up. This code stands for “Random Cylinder Misfire Detected,” which can be caused by everything from low fuel to a faulty ignition coil. In that case, you’re in for some tricky ... The move reflects how traditional carmakers are under major pressure to get deeper into the shared-mobility market. Relying simply on selling cars is no longer enough. BMW and Daim...A luxury car for drivers and passengers alike. By clicking "TRY IT", I agree to receive newsletters and promotions from Money and its partners. I agree to Money's Terms of Use and ... OBD2 Code P0171 BMW definition: Basically this means that an oxygen sensor in bank 1 detected a lean condition (too much oxygen in the exhaust). On V6/V8/V10 engines, Bank 1 is the side of the engine that has cylinder #1. Note: This DTC is very similar to P0174 BMW, and in fact your vehicle may show both codes at the same time. The first thing I did was to take it to an autopart store, which in my case was O'Riley and the codes read p0174 and p0171, which meant my system were too lean on bank 1 and 2. That also means that one of my oxygen detected a …The most common cause of the P0171 DTC is having an aftermarket intake that is not tuned for. Other common causes include vacuum leaks, exhaust leaks, a clogged fuel system (injector, pump, regulator), or faulty MAF, O2, or fuel pressure sensors. Most often it is an intake or vacuum leak causing the code.After first teasing it a few weeks ago, BMW today officially unwrapped its color-changing car at CES. The BMW iX Flow, as the German automaker has dubbed this experimental vehicle,...5 Nov 2017 ... Moral of the story here is just because you changed something a few years ago it does not mean it doesn't break again.bluebee. I also have a P0174 (which, some say, is too lean, and other say is too rich, but, all say the MAF and vacuum leaks are common culprits). Mine threw both P0171 and P0174 Codes which, from everything I read, is a too lean condition. I had great luck using the method I mentioned previously.Certified 2021 BMW 3 Series 330i xDrive, Edison, NJ P21177https://www.bmwedison.com/used-Edison-2021-BMW-3+Series …Jan 15, 2010 · Jase007. 784 posts · Joined 2004. #2 · Jan 15, 2010 (Edited) This link is to a very good discussion on what the P0171 and P0172 codes mean and what components are involved in fuel mixture control. There is a good description of the interplay of the short term fuel trim (STFT) and long term fuel trim (LTFT) in response to the problem in the ... Welcome to ShopLifeTV!In this video I go over the most common causes for the p0171 and p0174 codes. These codes are set by the o2 sensors detecting a lean co...We are ASE certified master technicians, members of Technicians Service Training (TST), BMW Club members and driving instructors. Our 5,000 sq. ft. facility has two lifts. We …P0171 BMW 227, System Too Lean (Bank 1) P0174 BMW 228, System Too Lean (Bank 2) PENDING. P1083 BMW 202, Fuel Control Limit Mixture Too Lean (Bank 1 Sensor 1) P1085 BMW 203, Fuel Control Limit Mixture Too Lean (Bank 2 Sensor 1) Again, after clearing them and driving for about twenty miles, the …P0171 Bank 1 too lean P0174 Bank 2 too lean P1083 Fuel control limit too lean Bank 1 Sensor 1 ... E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. Content on E46 Fanatics Forum is generated by its users. E46 Fanatics Forum is not in any way affiliated with Bayerische Motoren Werks AGOct 21, 2020 · =====Claim your FREE engine code eraser 👉 https://free.nonda.co 👈===== How to Fix P0171 =====Engine Code P0171 Saving Repair... 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. ... 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 …Jun 30, 2022 · Diagnostic trouble code P0171 means System Too Lean (bank 1). That means the car computer noticed the engine is running lean. A lean system means the air-fuel ratio entering the combustion chamber is not what the engine wants. It means there is too much air or too little gas to balance the specified mixture ratio. Scedule to test drive a new or used vehicle today from Open Road BMW of Edison, the finest BMW dealer in the area. Open Road BMW of Edison serves Edison, New …The code P0171 means the engine air-fuel mixture is too lean or too rich. It can cause symptoms like stalling, rough idle, knocking or hesitation. The common causes are vacuum leaks, clogged sensors, low …Definition. Both of these codes are generic, which means they have the same meaning regardless of the vehicle. P0171- Fuel Trim System Lean → Bank 1: P0171 indicates that the side of the engine with the first cylinder (Bank 1) is running lean. P0174- Fuel Trim System Lean → Bank 2: P0174 indicates that the side of the engine with the …Scedule to test drive a new or used vehicle today from Open Road BMW of Edison, the finest BMW dealer in the area. Open Road BMW of Edison serves Edison, New …Намерете точното значение на код за грешка p0171, възможните причини за него и съвети как да го отстраните ... Как се сменя окачването на bmw e30 turbo | supercar autodoc 662 гледания Публикувано на: 04/03/2021 ...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. ... 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 …Ignoring or neglecting a P0171 engine code can have adverse effects on your vehicle: Reduced Fuel Efficiency: A lean mixture can result in poor fuel economy, costing you more at the pump.; Decreased Performance: Your vehicle's power and acceleration may suffer, leading to a less enjoyable driving …P0171 is a generic OBD II code that indicates an overly lean air/fuel mixture on Bank 1 of V-type engines, such as BMW models. It can be caused by … Limpieza del sensor de oxígeno: La falla P0171 en un BMW puede ser causada por un sensor de oxígeno sucio o contaminado. Limpiar o reemplazar el sensor puede solucionar el problema. Revisión de las conexiones del sensor de oxígeno: Verificar que las conexiones del sensor de oxígeno estén bien ajustadas y sin daños. 2005 X3 3.0, 104K miles. The car started idling rough today and I pulled the codes - P0171, P0174, and P0303. 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. In other words, with getting these 3 codes all at the same time, does this tend to suggest ...907 posts · Joined 2006. #1 · Mar 6, 2009. Service Engine Soon warning is lit on my car. The codes are: P0174 and P0171 System to Lean (bank 1 and bank 2) Anyone else experience this on a X3? The car is an 05 X3 w/ <50k. From what I've read online on other boards it could be an O2 sensors, MAF sensor, or a vacuum leak.
LeadTech88. Bachelor. 5,947 satisfied customers. Pulling code P1017, P0171 and P0174. Check engine light came. Pulling code P1017, P0171 and P0174. Check engine light came on after 20 minutes of driving. It had been reset previously. Engine feels like … read more.. Watermelon beer
16 Jan 2018 ... 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 ...28 May 2020 ... Shop for New Auto Parts at 1AAuto.com http://1aau.to/c/433/k/scan-tools-code-readers Your check engine light is on, and you got the code ...P0171 BMW 227, System Too Lean (Bank 1) P0174 BMW 228, System Too Lean (Bank 2) PENDING. P1083 BMW 202, Fuel Control Limit Mixture Too Lean (Bank 1 Sensor 1) P1085 BMW 203, Fuel Control Limit Mixture Too Lean (Bank 2 Sensor 1) Again, after clearing them and driving for about twenty miles, the …The P0171 code indicates that the engine is running with a lean fuel mixture, which can cause poor fuel economy, engine misfires, check engine light, engine stalling and …Nov 30, 2023 · The most common problems that trigger the P0171 fault code are: Bad MAF (mass airflow sensor) Bad injectors. Bad O2 sensors. Vacuum leak. A malfunctioning or bad PCM. Clogged fuel filter. Weak fuel pump. Bad fuel pressure regulator. A P0171 code is set by your vehicle’s powertrain control module when the air-to-fuel ratio is too lean. This means that the engine is receiving too much air into the …13 Nov 2023 ... This is the fix for this code. The hose breaks easily. 2011 BMW 750Li (F01). Like, Comment and Subscribe!24 Feb 2015 ... When I first bought my car used last year it had the dreaded P0171 & P0174 codes as well as P0300 and others. The car idled rough until it ...2004 BMW 325i e46 OBD Codes P0174 & P0171. Today I was driving and the Check Engine Soon light came on. 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 …P0171/P0174 - 2882/2883 Codes - need assistance an analysis. I purchased my 2004 x3 (M54/3.0 w/ 153,000) and it immediately threw P0171 & P0174 lean banks 1 & 2. After learning of the common vacuum issues with the M54, I decided that I wanted a solid foundation to start from and tore into the motor. I …2001 325i p0171,p0174 lean bank 1 and 2 codes. Hello all, Well my story started with my sons 325i and the ck engine light. Yes lean bank 1&2 codes and a variety of missfire codes. I started with the fuel filter which needed replacement. I noticed quite a vacuum in the crank case.Some people said you should have vacuum and some not.As with many cars, the EML on a BMW is the engine management light. When the engine management light shows on a dashboard, it means the computers aboard the car have detected a pro...bradfr Discussion starter. 23 posts · Joined 2013. #1 · Oct 31, 2016. I am looking for some advice on a p0171 check engine light that I have been chasing down for the last month. I have done everything that I can possibly think of including the following: Smoke test. Checked all vacuum lines. Replaced valve cover gaskets.Causes of Code P0171. The vacuum system is the first area to check when your vehicle stores a P0171 code. A small tear or crack in the vacuum lines causes extra air to enter the system. A leak that causes diagnostic trouble code P0171 could be anywhere around the engine intake, including the PCV hoses, vacuum hoses, and the intake …E60 p1415 p0171 and p0174 Codes. Hey fellas. Long time E34 owner (178k miles) and regular poster on another BMW site. This place seems much more active when it comes to E60s so I hope you will indulge a new member. Had the starter go on my wife's '07 E60 M54. In replacing the starter removed (displaced) the fuel injector rail and the intake ... 考えられる箇所空燃比が薄い状態なので空燃比の学習値、補正値を確認 (空燃比が薄ければ増量側に補正している)O2センサーが機能しているか確認 空燃比を濃い状態にして変化が有るか現在は、空燃比が薄い状態なので電圧は低い状態 約0.3V前後濃いくした ... Ran it by autozone and find the codes are P0171 & P0174 indicating lean condition on bank 1&2. ... 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! ....