Question about 1999 GMC Suburban
I had the same problem. To see if it was a bad a wire, I switched the spark plug wires on #6 and 8. Haven't had a problem since. I think it might have been the plug wires being re-seated when I swithced them took care of it.
Posted on Nov 10, 2009
What is it fouling with. If its fuel check spark and plug--if it's oil-more serious- could be valve guides or seal or worse could be an oil ring. Either way it is going to be expensive.
Posted on Jul 25, 2009
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Posted on Jan 02, 2017
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