2004 Chevy Trailblazer boggs down ... no power

2004 CHEVROLET TRAILBLAZER
100,000 MILES • 6 CYL • 4WD • AUTOMATIC
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ICECREAMJOE
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  • 1 POST
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.
Jul 14, 2010 at 7:22 PM
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