P1171 Diagnostic Trouble Code Discussion for March 2009
Fuel System Lean During Acceleration
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| Help Request | Posted | |
| 2000 Pontiac Grand Am SE 2.4L Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire, MIL Lamp on VIN: 1G2NF52T1Y P1171: Fuel System Lean During Acceleration. Vehicle came in with MIL on P1171, P0300. Would misfire at idle no response on acceleration. I replaced fuel filter due to it being plugged up. Vehicle still has misfire. Fuel trim levels at idle do not go more than 10%-+. Idle Vacuum is about 16Hg. When you d... |
March 13, 2009 |
