2004 Chevrolet Trailblazer Repair Question
Topics covered: Body, Coil pack, Compression.
Mileage: 198,000 miles.
Mileage: 198,000 miles.
Asked on July 30, 2012
Trailblazer 4.2 cyl 1 misfire Help pls
I have a 2004 chevy trailblazer with 4.2 6 cyl i have changed plugs and coil packs run inj cleaner changed map sensor and still running rough i cleaned throttle body cleaned pcv hose i also checked to be sure coils was aligned and down tight still idles at 500 and turn ac on goes between 3&400 pls help lol not sure wat to do from here
Asked by lokeAnswer
Replied on July 30, 2012
First you need to solve #1 misfire check compression and fuel injector at #1 the. If problem is neither of those post all stored.codes here. Iac ( idle air control).coyld be ng.
Replied on August 4, 2012
Comp good and checked injector wiped all codes out and drove a few miles till ck eng light was flashing only code was p301 misfire on cyl 1 no other codes and still running rough