2002 Chevrolet S-10 Repair Question

Topics covered: Engine.
Mileage: 107,000 miles.

Asked on December 28, 2012

Chevrolet S-10 Engine Problem

It runs rich onboth banks 4.3Litre. It has a service engine light on and sometimes it misfiers.

Asked by sal ozgon

Replied on December 28, 2012

Have codes read then post will advise

Answered by Docfixit (expert)
18,416 answers provided

Replied on December 28, 2012

po172 and po175 and po300

Response from sal ozgon
2 questions asked

Replied on December 28, 2012

P0300 needs to be solved first Random Missfire try this clean MAF check for any cracked or disconnected vacumn hoses. Recent repairs?

Answered by Docfixit (expert)
18,416 answers provided

Replied on December 28, 2012

I did all that plus tune it up.

Response from sal ozgon
2 questions asked