Mechanics

CHEVROLET TAHOE RPM PROBLEM

1999 Chevrolet Tahoe • 150,000 miles

Had a misfire in no5 cylinder did complete
tune up then got iac code rpms higher than
expected replaced iac and ips both were in bad shape adjusted iac as directed still no change rpm runs at 1000 in park vehicle ran fine before tune up except for misfire im pulling my hair out please help
AD
Avatar
Guest
March 15, 2013.



Do you still have the misfire? Have you checked for vacuum leaks?



AD