P0171 Diagnostic Trouble Code Discussion for June 2023
Fuel System Lean (Bank 1)
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| Help Request | Posted | |
| 2013 Jeep Patriot Sport 2.0L MIL Lamp on VIN: 1C4NJPBA1D P0171: system lean. i have a this jeep patriot with a p0171, and showing 33 on long term fuel trim and 0-5 on short term. vehicle is running fine just has the code. i have run out of ideas on what could be going on. the oxygen sensor readings on the scanner look good (found a... |
June 07, 2023 | |
| 2015 Chevrolet Silverado 2500 HD WT 6.0L Lean/Low Power VIN: 1GC0KUEG1F P0171: Bank 1 Lean. This truck is lean. Originally came in for long crank, missing, and backfiring. It had several codes for B1 O2 sensors, Rich codes on bank 1, Lean codes on Bank 2. Both B1 O2s were pegged rich. Replaced both B1 O2s and the MAF w/GM. Backfiring and misfire ... |
June 12, 2023 | |
| 2008 Chrysler 300 Touring 3.5L MIL Lamp on VIN: 2C3LA53G18 P0171: Lean bank 1. Vehicle originally came in for misfires on cyl 1 and 6. The tech diagnosed bad injector drivers and replaced the PCM with a used unit (wrote to VIN, relearned ETC). He also replaced all six injectors with Bosch oem-style. The prior complaint was solved, bu... |
June 27, 2023 |
