Mechanics

CHEVY WHEN I ACCELERATE TO HIGHER RPMS ENGINE S

2002 Chevrolet Impala

Engine Performance problem
2002 Chevy Impala 6 cyl Two Wheel Drive Automatic 127000 miles

car was running really bad jerking pulling and shutitng off while driving and accelerating mechanic said it was an ignition controll module so I replaced it and it runs fine drives ok on the road, but when the car is in park and I accelerate toward the higher rpms (this model doesnt have a rpm guage) the engine surges as if I were reving the motor Please help gratefull to any advice
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Isaacalvarado
March 20, 2010.



If you raise the RPMs in park past a predetermined RPM ~3500 rpm, the rev limiter will kick in so you can't damage the engine by over reving it.
It will cycle the fuel injectors and give you a surgeing in the engine.

Tiny
Basstech
Mar 20, 2010.