Mechanics

CHEVROLET AVALANCHE CHECK ENGINE LIGHT PROBLEM

2004 Chevrolet Avalanche • 120,000 miles

Cause for loss of power. No check engine light. Idles smooth. Loss of power and vibration under acceleration. Plugs and wires are original. I was going to start there.
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Lonestarjava
December 11, 2012.




Have the back pressure checked for cat converter.

Roy

ASEMaster6371
Dec 11, 2012.


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