P1171 Diagnostic Trouble Code Discussion for October 2007
Fuel System Lean During Acceleration
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| Help Request | Posted | |
| 1999 Saab 9-3 2.0L Poor Fuel Economy, MIL Lamp on VIN: YS3DD58N6X P1171: short term fuel trim fault. Vehicle presented with cel. Inspection revealed a failing map sensor. Replaced map sensor and cleared codes. Ok on our test drive. Cel came back on a couple of days after customer picked up, same codes. Customer reports gas mileage worse when cel is on. Smoke ... |
October 25, 2007 |
