System too lean, P0171 code - Corolla Toyota Cars & Trucks

Question edited for clarity and add CAPS.
Question move to Cobalt category.

It is dumping extra fuel.

P0171 code SS SC - Cobalt SS Network

CobaltSS.net https://www.cobaltss.net > forums > p0171-code-ss-sc-...
Mar 1, 2014 - P0171 is a fuel trim lean code. Meaning the car is having to add more than 25% of the normally asked for fuel to reach proper O2 sensor ...

P0171 code
Jan 14, 2012
P0171 code "Bank 1 system too lean"
Nov 9, 2013
P0171 on 2007 SS/SC - Stock
Jul 15, 2009
2.2 P0171 Fix??
May 7, 2007
More results from www.cobaltss.net

For those with the FAMOUS P0171 CEL - Cobalts SS

cobaltss.com https://www.cobaltss.com > threads > for-those-with-th...
About the FAMOUS P0171 DTC (diagnostic troubleshooting code). If the PCM detect a lean condition (roughly 15% leaner than stock or more lean), this code ...

Missing: 2.0. ‎' Show results with: 2.0.

P0171 Chevy Cobalt: Fuel Trim System Lean Bank 1

700r4transmissionhq.com https://www.700r4transmissionhq.com > p0171-chevy...
Jul 28, 2018 - It indicates that your Chevy Cobalt is running lean on the bank one side. It's the most common air/fuel mixture-related code. It's not the most ...

‎Definition · ‎Symptoms · ‎Causes

Question edited for clarity. It is P-Zero 0, not P-oh O.
Please always include 'year make model' first 3 words, or it it is difficult to answer and some vehicles are slightly different or more precise and will show known issues.

P0174 - OBD-II Trouble Code Fuel System Too Lean (Bank 2)

https://repairpal.com > obd-ii-code-p0174
When a vehicle has the fault code P0174, it means that computer can no longer automatically adjust the mixture between air and fuel. Code P0174 applies to V ...

P0174 OBD-II Trouble Code: System Too Lean (Bank 2)

https://www.yourmechanic.com > Articles
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 ...

P0151 Code - What Does It Mean & How To Fix It - OBD2PROS

https://obd2pros.com > dtc-codes > p0151
A P0151 code is caused by an ECM (Engine Control Module) receiving a signal indicating the O2 sensor for bank 2 sensor 1 has failed to increase the voltage ...

Code P0171 - System Too Lean: Symptoms, causes, common ...

https://www.samarins.com > diagnose > p0171
Jul 10, 2021 - The OBDII trouble code P0171 - System Too Lean (Bank 1) means that the engine air-fuel mixture is too lean, or there is too much air and too ...

here what it means
https://www.obd-codes.com/p0171 P0171 System Too Lean Bank 1 P0171 OBD II Trouble Code Fuel System Too Lean Bank 1

the p0300--p0301-p0302=p0303 are misfire codes and can mean needs tune up or wiring problem and p0171 is system to lean bank 1 with this code if you correct it will probably correct the misfire codes your receiving
http://www.obd-codes.com/p0171 Fixing Hesitating Car P0171 Code YouTube P0171 System Too Lean Bank 1

About 259,000 results (0.64 seconds) Search Results

obd ii - 'Check Engine' code P0171 System Too Lean - Is it ...

mechanics.stackexchange.com/.../check-engine-code-p0171-system-too-l...
Feb 11, 2014 - 'Check Engine' code P0171 System Too Lean - Is it safe to drive? ... My question is: is it okay to drive my car while it shows these codes? ... This will cause you to get increasingly worse fuel mileage. ... I am going to defer to your expertise, but I just want to ask if you've considered that lean-running engines ...

P0171 and P0174 - OBD-II Trouble Codes - RepairPal

repairpal.com > Encyclopedia > OBD II Codes
Definition of error code P0171 and P0174 - System too Lean (Bank 1 and Bank 2). ...Before we get into the main causes of P0171, let's explore why this code matters. ..."Lean" running cars and light trucks are highly polluting vehicles. Most of ...

Mazda tribute codes p0171 - Cars & Trucks 'Cars & Trucks

www.faqqq.com/.../mazda-tribute-codes-p0171-cars-trucks-cars-trucks-6...
Question Product: Cars & Trucks Question Details: Mazda tribute codes p0171 ... I am getting the following (4) codes in a 2003 Mazda Protege5 engine: P0090 ...

P0171 Code thrown while idle - Toyota Nation Forum : Toyota Car ...

www.toyotanation.com > ... > Yaris/Scion iA, Vitz and Echo Forum

the 53 code is a transmission error related to speed sensors. The other code is an oxygen sensor telling you that it is running lean.

Try this little cheap trick, happens all the time

P0171 ; Fuel Trim System Lean (Bank 1)
P0174; Fuel Trim too Lean (Bank 2)
fuel trim is system to modify injector pulse if system go lean it will go rich when the system is too much lean and is max.rich it code
look for 02 sensor bank 1 and 2 data
hope it helps

p0708 is transmission range sensor curcuit high output, p0171 is system to lean ( bank 1 ), p0442 is EVAP emission control leak ( small ).

P0313 - Misfire Detected with Low Fuel
P0174 -System too Lean (Bank 2).
P0171 -System too Lean (Bank 1).

P0171 and P0174 mean "system too lean" for banks 1