Mechanics

CHEVROLET S-10 EXHAUST PROBLEM

1998 Chevrolet S-10 • 102,000 miles

Driving my 98 s10 4.3L then all of a sudden my truck seems to be losing horsepower going up hills and the exhaust note changes! Also I believe my truck has a hole in the exhaust and the cat converter rattles. The truck is louder than normal an makes a whistling sound when I get on the acclerator. And when I get on the gas seems like the truck just won't go like somthings holding it back? Could backpressure cause the truck to loose power? Just happened after I got gas and started through the gears engine has no rattles or knocks about it an revs freely?
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November 29, 2012.



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