P0171 Diagnostic Trouble Code Discussion for March 2017
Fuel System Lean (Bank 1)
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| Help Request | Posted | |
| 2014 Chevrolet Cruze LS 1.8L MIL Lamp on VIN: 1G1PA5SG9E P0171: Bank one lean. Vehicle has strange issue, searched archives and checked all possible avenues listed in the few posts. Long term fuel trim +20, short term +/- 2-3 Disconnect purge line at solenoid and plug port on solenoid and everything is normal. LT +3-4 st +/- 2 Computer... |
March 09, 2017 | |
| 2005 Ford F-150 FX4 5.4L Misfire, MIL Lamp on VIN: 1FTPX14595 P0171: Lean Bank 1. Vehicle came in a few weeks back with a misfire (dead miss). Customer requested change spark plugs. Number 8 spark plug broke, but have the Lisle extractor kit and removed broken plug no problem. Installed a set of brand new plugs and still had a dead miss on ... |
March 09, 2017 | |
| 2001 Ford F-150 XL 4.2L MIL Lamp on VIN: 1FTZF17231 P0171: Fuel sys lean bk 1. Thank you for reading my post, i have a 01 ford f-150 truck 4.2 v6, cel coming on with code po171 and po174 truck runs fine but fuel trims are hitting there limits, checked for vacc leaks and replaced egr, intake gasket, pcv valve, and fuel filter all were nee... |
March 10, 2017 | |
| 1998 Ford Windstar GL 3.8L Excessive Emissions, Poor Idle Quality, Cuts out VIN: 2FMZA5144W P0171: Lean bank. Got this abused Windstar van with a rolling idle and sometime stall. Fuel trims are going from one extreme to the other attempting control. Vacuum leaks? No. MAF, maybe. Fuel? No. Ignition,No. Your advise is welcome. Not a Ford fan. |
March 22, 2017 | |
| 1998 Ford Windstar GL 3.8L Excessive Emissions, Poor Idle Quality, Cuts out VIN: 2FMZA5144W P0171: Lean bank. Got this abused Windstar van with a rolling idle and sometime stall. Fuel trims are going from one extreme to the other attempting control. Vacuum leaks? No. MAF, maybe. Fuel? No. Ignition,No. Your advise is welcome. Not a Ford fan. |
March 23, 2017 | |
| 1998 Toyota Land Cruiser 4.7L Stall, MIL Lamp on VIN: JT3HT05J9W P0171: Fuel System Too Lean (Bank 1). Hello, We are struggling with this vehicle that came in originally with a intermittent check engine light and no symptoms.The code was a PO171, lean bank one.We smoke tested with no leaks.The tech performed a volumetric efficiency test and he could not get it ... |
March 30, 2017 |
