Po174 code bmw

There are several common causes of code P0171 in BMW vehicles: Air intake leaks: Any vacuum leaks in the air intake system can result in an imbalance in the air-fuel mixture. Faulty oxygen sensors: A malfunctioning oxygen sensor can provide incorrect readings, leading to an imbalanced mixture. Dirty or clogged fuel injectors: If the fuel ...

i have an 03 x5 with 3.0 motorthat has a po174 code which says bank 2 o2 sensor is running lean.does that mean one or two injectors are dirty or the rear o2 sensor is getting lazy.this happened after ichanged the oil with castrol edge synthetic,flushed coolant and used oe antifreeze ... What would cause all 4 Lamba signal codes? 2003 BMW 540 ...1983 - 2012 Ranger & B-Series - The dreaded po171 and po174 codes - My check engine light has been on for a while and i finally took it to auto zone for diagnostics, and the scan tool produced the codes po171 and po174. If I reset the computer the check engine light will stay off as long as the outside temperature is...The P0174 engine code indicates that the air-fuel ratio in your vehicle is too lean. Before the gas in your car can combust and power your vehicle, it must first combine with oxygen. …BMW CODE P0171 P0174 SYSTEM TOO LEAN FIX. VACUUM LEAK BMW E46 E39 E53 383 X3 X5 Z3 Z4 E60If you have BMW and you have code P0171 System Too Lean Bank 1 or co...BMW X5 CODE P0171, CODE P0174 FIX EXPLAINED, BMW E70 E53 F15. P0171,P0174,P0300 BMW 325ci. BMW P0171 P0174 2883 2882 Bank 1/2 Lean Code diagnostics and vacuum leak fix. P0174 "System Too Lean (Bank 2)" on a 2002 525i at high altitude (3,500 to 4,500') BimmerFest BMW Forum.

Disconnect the sensor's electrical connector. Remove the oxygen sensor using a wrench or socket. Install the new oxygen sensor and tighten it properly. Reconnect the electrical connector. Start your engine and let it idle for a few minutes. Check the engine light to see if it's still on; check if the P0174 returns.Tech Notes. The P0174 code means that more air than gasoline is detected in the exhaust gases exiting the combustion chamber. If the P0174 is set in along with the P0171 code, it is highly likely that the problem is caused by an intake leak. If there are no intake leaks, the next step is to replace the air filter and clean the Mass Air Flow ...Location: CA, United States. iTrader: ( 1) HELP! P0171 P0174 lean codes, fighting for months. P0171 P0174. 2011 328i 73k miles. I have been fighting P0171 P0174 lean codes for months. I hope people can give me some insights. I have searched countless articles about this, and I hope I can pinpoint the issue given my unique symptoms.P0174 Causes. Dirty or faulty mass airflow sensor. Vacuum leaks – PCV hoses, vacuum hoses, intake manifold gasket. Weak fuel pump. Clogged or dirty fuel …The most fuel-efficient combustion engines have 14.7 parts air to 1 part fuel in the mixture. When there are more than 14.7 parts air to 1 part fuel in the air-fuel mixture, a lean condition occurs, and the P0174 code is activated. A lean state can be caused by a vacuum leak, which adds extra air to the air-fuel combination, or by a faulty fuel system, which injects insufficient fuel into the ...The P0174 code means that more air than gasoline is detected in the exhaust gases exiting the combustion chamber. If the P0174 is set in along with the P0171 code, it is highly likely that the problem is caused by an intake leak. If there are no intake leaks, the next step is to replace the air filter and clean the Mass Air Flow (MAF) Sensor.

26K subscribers in the e46 community. For those wanting to see more of BMW's 4th generation 3 series, the beautiful and timeless E46A 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 ...E93 335i P0174 code. 2008 E93 w/N54 engine that is new to me (67k miles). I got curious, and hooked up my scanner, and it showed a pending P0174 code (Lean, bank 2). I cleared the codes, and cleared adaptive values, and so far, it has not come back. However, looking at the long term fuel trim, bank 2 is twice that of bank 1.I had the P0171/0174 randomly occurring as well. Advice I received indicated replacing the Intake Boots was in order as this is a common source for a vacuum leak. I replaced the first one off the MAF and the result was just one of the two codes occurring, again, randomly. Replaced the DISA O-Ring, no change.GO TO MY WEBSITE AND BMW FORUM !!!https://www.nathansbmwworkshop.comCLICK HERE TO BUY YOUR NEXT CAR PARTS FROM MY AMAZON STOREhttps://www.amazon.com/shop/inf...

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The P1727 BMW code refers to a transmission slip malfunction, specifically related to the input shaft speed sensor. This code is commonly found in BMW vehicles and indicates a problem with the transmission's ability to accurately measure the rotational speed of the input shaft. The P1727 code signals an issue with the transmission's ...Even slight variations in the air/fuel mixture will cause the converter temperature to rise significantly. The “Catalytic Converter Efficiency” Diagnostic Trouble Codes (DTCs) P0420 and P0430, are among the top 10 DTCs technicians face. And while the description might imply a failed converter, odds are the ultimate fault lies somewhere …Jun 28, 2010 · 24183 posts · Joined 2007. #3 · Jun 28, 2010. +1. Auto Zone always says the 0174 is 02 sensors (and it isn't). The codes for 02 are different and while it COULD be 02 sensor related, it is likely a vacuum leak. Usually a hole in the intake boot tract. Check out my YouTube Channel for DIY's and other fun stuff HERE. The P0134 trouble code indicates that the front oxygen sensor on Bank 1 is inactive. The activity from the oxygen sensor is measured by the powertrain control module ( PCM ). It is considered a generic code because it applies to all vehicles equipped with OBD-II. In general, the PCM offers a 450 mV baseline voltage from the oxygen sensor signal ...So while there are codes when they fail to report, or where the O2 sensors don't heat, or even the camshaft sensors fail to report, the lack of a sensor-related code does not mean that the sensor is working properly. ... BMW Scanner 1.4, Carly, fox pro, and more. That said, buy the VeePeak Bluetooth LE adaptor and the OBD Fusion app if you ...

In essence, the B2AAA code is an indicator than one or more actual OBD II code have been set and stored by one or more control modules on the affected application, but since a communication incompatibility issue exists between the scanner and the vehicles’ OBD II system, the “real” code (s) cannot be displayed, and code B2AAA is …BMW Smoke Machine (Amazon): https://amzn.to/33r29wkBMW Smoke Machine (eBay): http://ebay.us/NA16ejRare BMW Parts: https://ebay.to/2kd26ARBMW Goodies: https:/...See also Cost of replacing BMW 328i driver's side seat belt: parts and labor breakdown. Repairing a PO174 Code in Ford Vehicles. Once the cause of the P0174 code is identified, ... The PO174 code indicates a problem with the fuel trim on …I have a 2005 BMW 325I. At what appears to be excatly 95,000.00 miles the service engine soon light came on. I purchased a code reader and found the following codes. P0174 and P0171. (Bank one too lea … read moreIf your BMW shows the P0174 code, then it means too much oxygen is in the mixture. The volume of oxygen and air are proportional to each other, so if too much oxygen is in the mixture, then it also means that the mixture is too lean.Jun 5, 2015 ... BIMMER ZEIT•208K views · 5:26 · Go to channel · CODE P0171 P0174 SYSTEM TOO LEAN VACUUM LEAK FIX BMW E46. Electrical Car Repair LIVE•61K views.However, after turning on the engine, a scan of current codes only revealed the P0174 - System Too Lean (Bank 2), with the module Fuel and Air Metering. I went ahead and cleared the SES light. It did not return immediately or anything after clearing it, but of course the vehicle was idling.When a vehicle has the fault code P0171, it means that computer can no longer automatically adjust the mixture between air and fuel. Code P0171 applies to 4-cylinder engines (Bank 1) as they generally have only one bank. If you have a V6 or V8 engine you can also get a P0174 code which refers to Bank 2. When the code says that the fuel system ...

The P0174 fault code stands for system too lean (bank 2). What this means in simple terms is that the engine is experiencing a ‘lean condition’. It’s normal for the ECU to make slight adjustments to the air to fuel ratio as you drive, but when running lean is definitely out of ordinary no matter what car you drive.

BMW P0175 Code : Mixture Control 2 System Too Rich Bank 2. As a car owner, it can be frustrating to see a check engine light pop up on your dashboard. One of the most common diagnostic trouble codes (DTC) that BMW owners may encounter is the P0175 code. This code is related to the fuel system and indicates that the Mixture Control 2 System is ...=====Claim your FREE engine code eraser 👉 https://free.nonda.co 👈===== How to Fix P0171 =====Engine Code P0171 Saving Repair...The BMW Code P0174 refers to a diagnostic trouble code that indicates a lean condition in the engine's bank 2, meaning there is too much air and not enoughI think that code is also indicative of an O2 sensor? I think vacuum leak symptoms usually throw two codes at the same time (for both O2 sensors). Given the age of the car there's a good chance most of the hoses have dry rotted and have cracks in them. There's a little nub on one of the hoses which is prone to tearing so you could check that out.I drive a 2002 525i wagon as a daily drive with 165000 on the clock, and a 2004 M3 on the weekends. The 525i started throwing po171 and po174 codes fairly frequently, maybe once every 50 to 100 miles. Freeze frame data seemed to indicate that the issues occurred under load, but that wasn't conclusive, as sometimes it happened under moderate ...The P0174 code is thrown when the bank two sensor one O2 sensor reports that your Yukon's engine is running lean. Swap Test. If your Yukon has P0174 without P0171 present, you can swap the bank one and two O2 sensors and see if the code "jumps" to the other bank. Here's what you do. Clear the diagnostic trouble codes with your scanner.Since you only have the BANK 2 (cylinders 4,5,6) code you might check a couple of items. 1. make sure all 4 of screw number 13 are tight. 2. Check the condition of cap number 17 on the rear of the intake manifold. 3. Check that the intake manifold nuts number 14 (9 of them) are tight on the manifold. Join BMWCCA.How to fix code BMW X3 X5 CCV or PCV Lean Code P0171 and P0174The code P0174 in a Ford F150 indicates a lean condition on bank 2 of the engine. This means that there is an imbalance in the air-fuel mixture, causing the engine to run with too much air and not enough fuel. It can be caused by a variety of factors, including a vacuum leak, a faulty oxygen sensor, or a clogged fuel injector.After I cleaned my Maf sensor and put brand new air filter and went in to limp mode and said same po171 po174 code is it the maf sensor 2004 and after models have the IAT sensor built I'm to the Maf sensor it also has a rough idle early in the morning??? ... A forum community dedicated to BMW E46, E90, and F30 owners and enthusiasts. Come join ...

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P0171 system lean bank 1. P0174 system lean bank 2. P0313 system lean both banks. P1085 Fuel Mixture Lean Bank 1 Sensor 1. P1083 Fuel Mixture Lean Bank 2 Sensor 1. These faults are likely all related. They can be caused by a crack in the intake boot and the resulting air leak causes the engine to run lean. Crack usually develops by the smaller ...This 2019 Chevrolet Traverse with a 3.6 liter engine came into the shop with a complaint of a check engine light and stalling problem. The customer states that the vehicle will randomly shut off. The codes in this vehicle were: P0171 - Fuel Trim System Lean Bank 1. P0174 - Fuel Trim System Lean Bank 2.This code is one that surfaces with certain makes of automobiles more than others. In writing this article I've added Mercedes-Benz-specific info since it seems that M-B (and VW) are most prone to having this P0173 surface along with misfire codes or other fuel trim codes. P0173 means there was a malfunction in the computer's control of the air ...How to Fix P0174 Engine Code in 2 Minutes [2 DIY Methods / Only $8.99] - YouTube. nonda. 91.2K subscribers. Subscribed. 1.3K. 333K views 3 years ago UNITED …What causes the P0174 code on a Toyota? There are several potential causes for the P0174 code, including a faulty mass airflow sensor, clogged fuel injectors, a vacuum leak, a malfunctioning oxygen sensor, or an issue with the fuel pressure regulator. Additionally, a dirty air filter or a weak fuel pump can also contribute to the problem.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 tube and even the OBD Code results site ...END OF SPECIAL NOTES. OBD II fault code P0174 is a generic trouble code that is defined as, "System Too Lean - Bank 2", or sometimes, as "Fuel Injection System Too Lean Bank 2", and is set when the PCM (Powertrain Control Module) detects an abnormally lean air/fuel mixture on Bank 2. Note that "Bank 2" refers to the bank of ...The BMW P17F4 code refers to a problem with the ratio monitoring clutch 'B' and 'E'. This code is typically associated with issues related to the transmission system of the vehicle. Specifically, it indicates that there is a problem with the clutch system that is responsible for monitoring the gear ratios in the transmission.2004 Bmw 325ci e46 p0171/p0174 and limp mode. 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. Turn off and restart and it's fine again. I have tore apart the intake system 20x and found nothing. Looks like someone chased this problem before and replaced every boot hose tb and disa. ….

The P0174 code is thrown when the bank two sensor one O2 sensor reports that your Mustang's engine is running lean. Swap Test. If your Mustang has P0174 without P0171 present, you can swap the bank one and two O2 sensors and see if the code "jumps" to the other bank. Here's what you do. Clear the diagnostic trouble codes with your scanner.Code Reader https://amzn.to/3ES6aK0 Well it something happened when I changed the CCV Valve, VCG and the Sparkplugs in my E46 BMW 325xi. After I got it all...BMW Fault Code Lookup. Enter a BMW fault code (P or hex), complete the captcha, and click "Search". P-Codes will start with a P and are usually generated by generic scanners. Example: P1055. Hex Codes are typically given by more advanced scanners. Examples: 180101 or 1B9308 or 30FF.Disconnect the sensor's electrical connector. Remove the oxygen sensor using a wrench or socket. Install the new oxygen sensor and tighten it properly. Reconnect the electrical connector. Start your engine and let it idle for a few minutes. Check the engine light to see if it's still on; check if the P0174 returns.P0171 and P0174 codes after changing Valve Cover Gasket. Recently bought my 2001 BMW Z3 Roadster 2.5L. It had a leaking valve cover gasket so I replaced the gasket with a FelPro one including the bolt rubber grommets. After changing the gasket (no more leaks) The Service Engine soon light came on. I pulled the codes and it has the P0171 and ...PO171 PO174 The codes from HELL!!! Finally fixed. Maybe this will help you!Check out My Amazon Auto Accessories Store! Lets make that Weekend job less Painf...D. danny310 Discussion starter. 16 posts · Joined 2014. #1 · Jan 6, 2015 (Edited) My SES light is on. car runs fine. I bought a code scanner and got p0171, p0174, p1083, and p1085. I was told the maf was at fault so i bought a new one. I erased the codes but the SES light came back on after driving for about 30 minutes. what can it be.One of the most common trouble codes with the Chevy Silverado is P0174. It indicates that your Chevy Silverado is running lean on the bank two side of the engine. P0174 and P0171 (fuel trim lean bank one) are the most frequently seen air/fuel mixture-related codes. If they appear together, it reduces the list ofP2279 is a powertrain trouble code used by most manufacturers since 1996. It indicates that there’s an air leak occurring on the metered side of the intake manifold. More air is entering the manifold than the mass airflow sensor suggests. The engine relies on the mass airflow (MAF) sensor to determine how much air is entering the intake manifold.Lean codes P0171 P0174 Yes 10.3% is high. Less than +/-3% is more like it. As you mentioned, you may have caused an issue with the VC or VCG or associated hoses when you did the Vanos work. ... E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. Content on E46 Fanatics Forum is … Po174 code bmw, 2004 BMW 530i Check Engine Light Code, 2882, 2883, P0171, P0174 Lean Bank 1, Lean Bank 2 It's a little difficult to see this hose under the intake manifold w..., I have a 2004 BMW X3 with the check engine light on. When I took it to an auto shop they said the codes P0174 and P0171 - Answered by a verified BMW Mechanic ... good morning Steve my name Roland having a problem with my BMW x3 2004 engine 2.5l code p0174 an p0171 and vehicle runs rough I did tune up clear code road test check engine came back ..., My BMW 325I 2004 is showing codes P0171 and P0174 = "System too Lean". Based upon preliminary research, I have read in other post about possible hose leak. I am not sure, so any who has gone through the same, some guidance, please. Thanks in advance for your assistance & support! jeff compton. Posts: 7599., 1 Answer. Code po444 is referencing a purge control problem. this could be a bad connection or a problem with the purge solenoid for the evaporative system (EVAP). this is controlled by the PCM to allow fuel vapours to be drawn into the engine and burnt from the gas tank under certain conditions. the p0174 is a lean running condition on bank 2 ..., 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..., Trouble code P0174 will opulate when the engine control module ( ECM) detects a lean condition in the vehicle. "Lean condition" means that there is too much air and not enough fuel in the vehicle's air to fuel ratio (AFR). One of the many functions of a vehicle ;s ECM is to adjust the lean operating conditions of your vehicle back to a ..., Causes of Code P0174. To throw a P0174 code, part of your engine is either letting in too much air or not pumping a large enough amount of fuel. In rare instances, the sensor could be faulty. However, a vacuum leak or problem with the fuel pump is the more common culprit. Any crack or leak in the vacuum system will allow excess air to flow into ..., 2005 codes po174/po171 - Answered by a verified BMW Mechanic. We use cookies to give you the best possible experience on our website. ... 2001, 325i 2.5l auto, 228.229.227.226 bmw codes, po171,po174, set two time, bank one and b2. mass air reading 14hg/sec, somked the intake, ..., The P0174 code is thrown when the bank two sensor one O2 sensor reports that your Mustang's engine is running lean. Swap Test. If your Mustang has P0174 without P0171 present, you can swap the bank one and two O2 sensors and see if the code "jumps" to the other bank. Here's what you do. Clear the diagnostic trouble codes with your scanner., BMW X5 CODE P0171, CODE P0174 FIX EXPLAINED, BMW E70 E53 F15If you have BMW X5 and you have code P0171 or code P0174 we will explain the top reasons that we ..., P2279 is a powertrain trouble code used by most manufacturers since 1996. It indicates that there's an air leak occurring on the metered side of the intake manifold. More air is entering the manifold than the mass airflow sensor suggests. The engine relies on the mass airflow (MAF) sensor to determine how much air is entering the intake manifold., Oct 31, 2016 · I had the P0171/0174 randomly occurring as well. Advice I received indicated replacing the Intake Boots was in order as this is a common source for a vacuum leak. I replaced the first one off the MAF and the result was just one of the two codes occurring, again, randomly. Replaced the DISA O-Ring, no change. , The P0174 code means that more air than gasoline is detected in the exhaust gases exiting the combustion chamber. If the P0174 is set in along with the P0171 code, it is highly likely that the problem is caused by an intake leak. If there are no intake leaks, the next step is to replace the air filter and clean the Mass Air Flow (MAF) Sensor., The P0174 code in a BMW indicates that the engine's control module has detected a lean condition on bank 2 of the engine. This means that there is an imbalance in the air-fuel mixture, resulting in too much air or too little fuel being supplied to the engine. Such an imbalance can lead to reduced engine performance, increased emissions, and ..., The most fuel-efficient combustion engines have 14.7 parts air to 1 part fuel in the mixture. When there are more than 14.7 parts air to 1 part fuel in the air-fuel mixture, a lean condition occurs, and the P0174 code is activated. A lean state can be caused by a vacuum leak, which adds extra air to the air-fuel combination, or by a faulty fuel system, which injects insufficient fuel into the ..., Diagnostic trouble code (DTC) P0153 stands for "O2 Sensor Circuit Slow Response (Bank 2, Sensor 1).". This code points to a problem with the upstream O2 sensor on Bank 2, which is the bank opposite of where cylinder number 1 is located regardless of the make of the vehicle. Oxygen sensors issue high voltage signatures when they detect a ..., BMW 325: p300..P0171,PO174 I WAS TOLD ITS A MASS AIR FLOW SENSOR. ... 2005 bmw z4 dtc code p0171 & p0174, fuel system too lean, cleaned maf, replaced air filter (installed new K&N) cleared codes and the above listed codes returned. MAF on diag. tool appears to be functi ..., 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 ..., Code P0174 indicates that there is a lean condition detected by the Engine Control Module (ECM). A lean condition will be created if there is too much air, and not enough fuel, in …, R. Racer1691 Discussion starter. 33 posts · Joined 2020. #1 · Oct 4, 2020. I have pulled 3 different codes, P00BC, P0174, AND P0171. I have replaced both the DISC Valves, Cleaned both the Vanos Solenoid's. Cleaned the Mass Air flow sensor. I am at a loss of what else to do. I really don't want to throw parts at it., po171 po174 CODES ON A 06 X3 PO171 PO174 CHANGE O2S ALL4 STILL COME ON WAT CAN I DO - BMW 2006 X3 2.0d question. Search Fixya ... P1083 (a BMW-specific DTC Code) SEC. 1-----P0171 OBD-II Trouble Code Technical Description System Too Lean (Bank 1) Basically this means that an oxygen sensor in bank 1 detected a lean condition (too much oxygen in ..., The pattern has repeated without fail for the past several days now. The codes read as P0174 and P1085. I am still reading up on previous posts on these codes. I've dealt with my fair share of lean codes before, including changing the all the rubber boots after MAF, cleaning MAF, CCV overhaul, etc., P0171 and P0174 codes after changing Valve Cover Gasket. Recently bought my 2001 BMW Z3 Roadster 2.5L. It had a leaking valve cover gasket so I replaced the gasket with a FelPro one including the bolt rubber grommets. After changing the gasket (no more leaks) The Service Engine soon light came on. I pulled the codes and it has the P0171 and ..., P0171 & p0174 code Was thinking on things, including this, on my 20 hr drive yesterday. A bad oil fill cap gasket will throw these codes, along with VANOS solenoid codes, as well as take a while to find with a smoke test. Try changing it out; in worst case you'll lose $3.00 and that oil seepage on top of the engine cover., Definition: System Too Lean Bank 2. The P0174 engine code indicates that your car’s air-fuel ratio is too lean. The gas in your car has to be mixed with oxygen before it can combust and power your vehicle. When the air and gas are present in the right ratio (known as the stoichiometric ratio or “stoich”), the mixture burns completely., Apr 11, 2020 ... How to diagnose BMW E46 E39 E53 Vacuum leaks Lean codes P0171 P0174 for the M54 M52tu ... code-29cd,29d1,29cc. Eddie Mexico auto repair•1.7K views., I have a 2005 x3, I get the same codes about once a year. I took it to the dealer the first time it happened, they had issues with the K&N air filter I put in and they tested the gas and reported it had 16% ethanol. ... A forum community dedicated to BMW owners and enthusiasts. Come join the discussion about Bimmerfest events, production ..., Note that on BMW vehicles, the PCM is known as the DME (Digital Motor Electronics). NOTE: Although code P0171 – “System too lean – Bank 1” refers to an air/fuel metering issue on Bank 1 of V-type engines, this code also applies to in-line engines that have only one “bank” of cylinders. Therefore, the “Bank 1” part of the ..., Common Reason: Code P0174 is often related to a vacuum leak. Combustion engines run most efficiently when they maintain an air-fuel mixture ratio of 14.7 parts air to 1 part fuel. When there are more than 14.7 parts air to 1 part fuel in the air-fuel mixture, a lean condition exists and code P0174 is triggered., W. Wulff Discussion starter · Jan 1, 2009. As everyone probably knows this code means "lean on bank 1" this caused me to fail the AZ emission test so I looked around on here and found a lot of people were getting code PO171 and PO174 due to a leaky air intake ducting. I found the lower duct (the $17 large one that hooks to the throttle body ..., May 2, 2016 · The pattern has repeated without fail for the past several days now. The codes read as P0174 and P1085. I am still reading up on previous posts on these codes. I've dealt with my fair share of lean codes before, including changing the all the rubber boots after MAF, cleaning MAF, CCV overhaul, etc. , Diagnostic trouble code P0174 means system too lean bank 2. This means the powertrain control module (PCM) has detected lean conditions in bank 2 in the air-fuel ratio (AFR). Lean conditions mean there is too much air or too little fuel. Bank here means the location of the cylinder head in v-type engines. Check out this article, bank 1 and bank ..., Check out my Amazon Store https://www.amazon.com/shop/influencer-a267b9e1Today we are talking about why you might be getting a P0171 and or P0175 engine code...