Question about 2004 Chevrolet Impala
It's very possible the cat is plugged, only way to tell is to drill a small hole in the exhaust right before the cat. I the exhaust is LOUD coming out of the hole when you start it up, it means there is alot of pressure building up in front of the convertor, and plugged. with the cat plugged the car will run like ****, jerky, no acceleration, etc. try to run the car down the road at 50 MPH and just BARELY touch the gas, if it seems ok, press on the gas, if the cat is plugged it will ****.
Posted on Oct 28, 2009
Your tranny is slipping
Posted on Mar 12, 2009
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Posted on Jan 02, 2017
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