Rpm

Asked by Cynthia Oct 20, 2018 at 09:43 AM about the 2005 Chevrolet Trailblazer

Question type: Maintenance & Repair

When I am parked the car goes to
2 to 3 rpm then decreases then
goes 3 rpm then decreases then
stalls as I'm about to take off then
takes all fast

1 Answer
11,575

FJ4072 answered 6 years ago

Cynthia, do you have the 4.2 I6 engine? Probably so, clean your throttle body first. Unhook fuse #10 and #28 under the hood. Then remove the throttle body, clean with a rag and toothbrush with a sensor safe spray like Seafoam. This should be the first step, and it's the cheapest step.

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