Engine Performance problem
2004 Chevy Trailblazer 6 cyl Four Wheel Drive Automatic 100000 miles
We checked the catalytic converter and it didn't have back pressure. Changed the oxygen sensor. Changed actuaror.
What else could be the problem? When driving won't down shift after accelerates.
have the same problem?
Wednesday, July 14th, 2010 AT 7:22 PM