rough idle and 02 sensor code

By Jweaver24
March 20, 2015 in New Member Introductions

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Jweaver24

Posted March 20, 2015

I have a 2004 Silverado 1500 5.3 I have take the catalytic converters off and installed a Flowmaster exhaust lately I have been having a rough idle and info on fixing this problem??

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