P0171 Diagnostic Trouble Code Discussion for April 2023
Fuel System Lean (Bank 1)
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| Help Request | Posted | |
| 2009 Ford Explorer XLT 4.0L Poor Idle Quality, Hesitation, Surge, MIL Lamp on VIN: 1FMEU63E29 P0171: lean bank 1. long term fuel trims +25 both banks at idle sort term trims between +25 and +30 at idle cruising at steady throttle trims go to single digits and seem to be correct spraying carb cleaner around upper intake gaskets seemed to throw the short term way d... |
April 14, 2023 | |
| 2018 Mazda CX-5 Grand Touring 2.5L No Start, Poor Idle Quality, Stall, MIL Lamp on VIN: JM3KFBDM1J P0171: system lean. ... time with this Mazda and would love some feedback. We’re stuck with incorrect information from multiple sources and really aren’t sure where to go next at this point. Car brought in at 84,000 miles for a burning oil smell after the dealership said ... |
April 20, 2023 | |
| 2013 Volvo S60 T5 2.5L MIL Lamp on VIN: YV1612FS8D P0171: System too lean. ... Volvos here. We replaced the breather/oil trap assembly which was clearly malfunctioning (unable to remove oil cap while running). The part is new from the dealer. Vehicle is still setting the P0171 and P0172. This occ... |
April 27, 2023 |
