P0171 Diagnostic Trouble Code Discussion for August 2019
Fuel System Lean (Bank 1)
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| Help Request | Posted | |
| 2003 Toyota Corolla CE 1.8L MIL Lamp on VIN: 1NXBR32E73 P0171: Fuel System Too Lean (Bank 1). ... current. p0171 and p1315 current. long term fuel trim high. 25 at idle goes up to 44.5 off idle and while driving. short term fuel trim normal, between -7 and 7 switching constantly. map has good readings around 2g a... |
August 02, 2019 | |
| 2013 Volvo S60 T5 2.5L MIL Lamp on VIN: YV1612FS0D P0171: lean b1. car came in with mil on, p0171(current) and a p0015(history) was pulling 10 inch of vacuum in crankcase. oil separator failed, replace and trims returned to normal. had vehicle idling for a prolonged period of time ie over an hour. noticed exhaust cam desi... |
August 21, 2019 | |
| 2001 Toyota Celica GT 1.8L No Start, Poor Idle Quality, Hesitation, Cuts out, Stall, Misfire, MIL Lamp on VIN: JTDDR32TX1 P0171: Fuel System Too Lean (Bank 1). The car came in running rough scanned and found the codes above.Plugs were gas fouled and replaced them, Had known good AF sensor on shelf with no change ( Also ordered new Denso sensor didn't help, Fuel pressure looks good, Checked grounds on right fender... |
August 27, 2019 | |
| 2013 Volvo S60 T5 2.5L MIL Lamp on VIN: YV1612FS0D P0171: lean b1. ... and a p0015(history) was pulling 10 inch of vacuum in crankcase. oil separator failed, replace and trims returned to normal. had vehicle idling for a prolonged period of time ie over an hour. noticed exhaust cam desired at 27 degrees and shifting angl... |
August 30, 2019 |
