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mountain jim
 Post subject: 96 chevy k1500 p0430
PostPosted: Wed Feb 13, 2008 6:51 pm 
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Joined: Wed Feb 13, 2008 6:41 pm
Posts: 1
The 96 chevy 5.7 vortec started throwing the p0430 code shortly after the exhaust was upgraded from stock 2 into 1, to a 2 into 2 dual flowmaster system. The o2 sensor was replaced to no avail. Exhaust is otherwise new and in great shape with no leaks. Truck runs fine. Is this possibly related to exhaust system upgrade? If so, I'm sure this exact thing has been done a million times, and perhaps there is a common fix. Anyone have a clue? Thanks, in advance.
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 Post subject: 96 chevy k1500 p0430 
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jeff compton
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PostPosted: Fri Feb 15, 2008 10:31 am 
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Posts: 5465
Location: Orleans Ontario Canada
exhaust leaks close to the converter or aftermarket converters can generate that dtc!
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