P1171 Diagnostic Trouble Code Discussion for December 2009
Fuel System Lean During Acceleration
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| Help Request | Posted | |
| 1999 Volvo V70 T5 2.3L MIL Lamp on VIN: C8X2587912 P1171: upper fuel trims. Don’t know enough about these cars so here goes, no drivability symptoms, just check light on, my fuel trims tell me there’s a serious air leak but nothing obvious. I tried re-plumbing the air intake so the a/f meter was straight into the throttle hose by-pass... |
December 27, 2009 |
