2002 Chevy Impala when i accelerate to higher rpms engine s

2002 CHEVROLET IMPALA
127,000 MILES • 6 CYL • 2WD • AUTOMATIC
Avatar
ISAACALVARADO
  • MEMBER
  • 1 POST
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
Mar 20, 2010 at 6:01 AM
Avatar
BASSTECH
  • MEMBER
  • 236 POSTS
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.
Mar 20, 2010 at 2:25 PM
Add a reply
Join 2CarPros for free, one of the most advanced car repair communities on the internet. From first-time drivers to seasoned mechanics, everyone is welcome to reply, share details, and get better answers. You can add a temporary image or video first; uploads are limited to 20 MB.

Ask a new question

Frequently Asked Problems for This Vehicle