P0171 Diagnostic Trouble Code Discussion for March 2020
Fuel System Lean (Bank 1)
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| Help Request | Posted | |
| 2011 BMW X5 xDrive35i 3.0L MIL Lamp on VIN: 5UXZV4C50B P0171: system lean. no test information for this fault |
March 05, 2020 | |
| 2004 Lincoln Navigator 5.4L MIL Lamp on VIN: 5LMFU27R24 Hello, Has anyone ever seen short term fuel trims normal and long term fuel trims at 30%. I have smoked the intake system, brake booster,pcv no vacuum leaks found,Updated the pcm with new calibration file cleared kam numerous times to no avail.. |
March 24, 2020 | |
| 2005 Hyundai Tucson GLS 2.7L MIL Lamp on VIN: KM8JN72D05 P0171: Fuel System Too Lean (Bank 1). ... healthy. This one's got me so I figured I'd run it by you guys. Customer complained about the engine light coming on after about 70 miles of driving, Upon arrival it had P0171 and P0172. No other complaints and I verified by driving. It runs pretty we... |
March 31, 2020 |
