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P1171 Diagnostic Trouble Code Discussion for November 2005

Fuel System Lean During Acceleration

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Trouble Ticket Help Requests for DTC P1171
Help Request Posted
1999 Volvo C70 2.4L MIL Lamp on VIN: YV1NK56D8X
P1171: Long term fuel trim at high limit. ... code stored was P1171 (ECM-261A) Long term fuel trim at high limit. The LT fuel trim was at 22%. The readings from the MAF of 5 g/s at idle and the other ones I read about here seemed to indicate that the problem was in the MAF. We replaced it, cleared the...
November 10, 2005