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P1171 Diagnostic Trouble Code Discussion for July 2004

Fuel System Lean During Acceleration

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Trouble Ticket Help Requests for DTC P1171
Help Request Posted
1998 Pontiac Grand Am SE 2.4L Excessive Emissions, Surge, Poor Fuel Economy, MIL Lamp on, STFT &LTFT CRAWL UP VIN: 1G2NE52T8W
P1171: Fuel System Lean During Acceleration. College girls car, came in with mil codes are above. Can't figure out what is skewing the load calc. as it is 22% at idle baro seems right for sea level (HOU TX) Map seems to be working. Remember this is speed density-no maf.Maf on scanner is 5 gm/sec.both o2s...
July 31, 2004