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P1171 Diagnostic Trouble Code Discussion for December 2004

Fuel System Lean During Acceleration

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Trouble Ticket Help Requests for DTC P1171
Help Request Posted
1996 Chevrolet Cavalier Z24 2.4L Poor Idle Quality, Hesitation, Misfire VIN: 3G1JF12T9T
P1171: Fuel System Lean During Acceleration. ... an hour then shutting car off, then restarting runs real bad. i've tried to duplicate problem in the shop and it only acted up once for about 20 sec then cleared itself up. tested injectors and all ok, pulled plugs and found gaps to be about .045 to.050...
December 10, 2004