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1990 Chevrolet Cavalier Z24 3.1L Surge, Bucking
Posted to GM Driveability on 2/22/2000

This is a real stumper for me. This vehicle when decelarating surges and bucks when the rpms seem to drop between 1900 and 1500 . It seems to be in conjunction with the time that the fuel is turned back on after shut off. I have scoped all inputs with a Fluke ...

 
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car Vehicle Data

1990 Chevrolet Cavalier Z24

VIN 1G1JF11T4L
Engine3.1 L / 6 cyl
SymptomsSurge, Bucking
OccursOn Decel, Intermittently, Between APP. 1900 RPM and 1500 RPM
Message Closed

car Vehicle Data

1990 Chevrolet Cavalier Z24

VIN 1G1JF11T4L
Engine3.1 L / 6 cyl
SymptomsSurge, Bucking
OccursOn Decel, Intermittently, Between APP. 1900 RPM and 1500 RPM