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P2188 Diagnostic Trouble Code Discussion for January 2011

Fuel System Too Lean At Idle

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Trouble Ticket Help Requests for DTC P2188
Help Request Posted
2005 Volvo S80 2.5T 2.5L MIL Lamp on VIN: YV1TS592X5
P2188: long term fuel trim lower limit. Ok got one here making me pull my hair out. I seem not to be able to find good information so I misdiagnosed. I have checked for vacuum leaks, fuel pressure and tried using propane to find a leak. Things i am not understanding is where is the source vacuum for...
January 19, 2011