Lq4 misfire that won't go away
06-10-2012, 08:32 PM
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Join Date: Jun 2012
Location: North East, MD
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Lq4 misfire that won't go away What's up guys I have a 99 z28 with and 6.0 from a 02 silverado and the car had a p0300 code before the swap and yesterday I did plugs and wires to it and the problem came within in like 5 miles of driving it. I know a guy who works at the county dump and they use the 6.0 trucks there and they had the same problem they replaced everything and still had a random misfire, he ended up calling the dealer and they said to reprogram the computer and it fixed it does anyone know what I can do to fix my problem?
