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Old 01-29-2012, 01:23 PM   #4
OKGMC4
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Join Date: Oct 2009
Location: Broken Arrow, OK
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Re: 5.3 multiple misfire, any advice?

Ummm... I don't get it. I checked plugs 4 and 6 and they were a little wet. I pulled 2 just to verify they looked the same. Then for grins I swapped out 6 and 2. The problem followed the plugs. Now 2 and 4 misfire. Is it really possible I just have 2 bad plugs? They were new NGK, and I know everyone says to run delco but I've never had a problem with NGK. I'm going to run out and get a couple and see what happens.
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