I have a 93 chevy blazer 4.3 vortex im having problems with my idol jumping high in park then as i put truck in drive it shouts off what can cause this to happend...

Asked by Mar 13, 2015 at 06:01 PM about the 1993 Chevrolet Blazer Sport 4WD

Question type: Maintenance & Repair

Having idoling issue with being in park..

3 Answers

810

Have you tried a throttle body cleaning?

I tryed many things im having more of electral problems im thing i just had tranmission rebuilded and ever since the rebuild i been having my idol jump up n down and runs at high rpms i replaced the throttle position sensor but it didnt help my fuel pump went out so i put a new one my blazer is all digtal as well whn i hit the gas my lights dome out alil so im not to sure what can be the problem

I havnt checked inside the spider yet maybe thats acting up?

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