P0171 Diagnostic Trouble Code Discussion for June 2022
Fuel System Lean (Bank 1)
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| Help Request | Posted | |
| 2009 GMC Sierra 2500 HD SLT 6.0L Poor Idle Quality, Surge, Misfire, MIL Lamp on VIN: 1GTHK63K69 P0171: System too lean bank 1. ... with 6.0 engine customers complaint is they started engine up in the morning a few days ago and engine ran rough and did not want to accelerate. They shut off engine and restarted with same symptoms and then check engine light came on. Vehicle was tow... |
June 01, 2022 | |
| 2009 GMC Sierra 2500 HD SLT 6.0L Poor Idle Quality, Surge, Misfire, MIL Lamp on VIN: 1GTHK63K69 P0171: System too lean bank 1. ... with 6.0 engine customers complaint is they started engine up in the morning a few days ago and engine ran rough and did not want to accelerate. They shut off engine and restarted with same symptoms and then check engine light came on. Vehicle was tow... |
June 09, 2022 | |
| 2017 Chrysler Pacifica Touring L Plus 3.6L Poor Idle Quality, MIL Lamp on VIN: 2C4RC1EG3H P0171: Lean bank 1. ... Initially got vehicle with code P0171 lean bank 1 in shop and noticed it ran very poorly after it got to base idle- fuel trims were in the +30 area while it runs poor only on bank 1 and bank 2 trims right around 0, vehicle m... |
June 14, 2022 | |
| 2012 Cadillac CTS 3.6L Poor Idle Quality, Hesitation, Surge, Misfire, MIL Lamp on VIN: 1G6DC1E38C P0171: Lean Bank 1. Car came into the shop with the above Codes... Car would not idle that great and you can see hear popping what sounded like the intake... Misfire count was not consistent to certain cylinders... Could not drive the car... I looked at the Fuel Pressure o... |
June 27, 2022 |
