I have a 1994 GM Chevrolet and I want to know why it idles up and down and why it don't want to take throttle sometimes

Asked by Jun 01, 2014 at 02:56 PM about the 1994 GMC Jimmy

Question type: Maintenance & Repair

2 Answers

19,545

usually a bad TPS will do that

1 of 1 people found this helpful.
17,035

sometimes very simple things need to be actually looked at and listened to, to start is there any dash light on,check air filter to see if its filthy,listen under the hood for the sound of sucking air.

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