P0171 Diagnostic Trouble Code Discussion for July 2018
Fuel System Lean (Bank 1)
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| Help Request | Posted | |
| 2003 Jeep Liberty Sport 3.7L MIL Lamp on VIN: 1J4GL48K43 P0171: Fuel System Lean (Bank 1). ... jeep came in with a mil complaint and an intermittent slight extended crank. scanned and found p0171. checked fuel trims and long term on both banks were at 32.5 or so. found multiple rubber hoses cracked and leaking wi... |
July 02, 2018 | |
| 2008 Ford E-350 Super Duty 6.8L MIL Lamp on P0171: System Too Lean Bank 1. Tested both Pin 1 at front 02s plug with ignition on 12.00V (battery volt) (Bank 2S1) Tested with test light with ignition on pin1 (ignition 12v+) and pin2 heater (PCM) test light lighted (on) (Bank 1S1) Tested with test light same as above no light ... |
July 05, 2018 | |
| 2008 Ford E-350 Super Duty 6.8L MIL Lamp on P0171: System Too Lean Bank 1. Tested both Pin 1 at front 02s plug with ignition on 12.00V (battery volt) (Bank 2S1) Tested with test light with ignition on pin1 (ignition 12v+) and pin2 heater (PCM) test light lighted (on) (Bank 1S1) Tested with test light same as above no light ... |
July 08, 2018 | |
| 2011 Ram 1500 Laramie 5.7L No power VIN: 1D7RB1GT8B P0171: Lean bank one. ... power. Code p0171 and p0174. Smoke test with no vacuum leak. Clear code and come right back without engine running. Signal for map ,app 1 and app 2 are ok. Tps one and two signal are dead. It does not respond. When engine started, throttle plate open ... |
July 24, 2018 |
