Quote:
Originally Posted by MT-2500
Start with pitching the autolite plugs in trash can and replace with the Proper AC delco plugs the ac delco book calls for.
Many things can cause misfire.
Low fuel pressure or Maf sensor plugs or any secandary ign parts
AND or Camshaft retard setting off.
Camshaft retard of can cause over/high spark and burn out secandary ign parts.
Casmshaft retard can only be checked or set on a engine capable scanner OBD11 or code readers will not do that.
How many misfires per cylinder or can you feel engine miss and ramdom or miss on certain cylinders?
That info ALSO can be found in a engine CAPABLE SCANNER.
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That was my first thought when I heard Autolite plugs. It is getting to the point that if you don't use OEM parts there seems to be problems. I bought a top of the line NAPA serpentine belt for my Blazer & after a month the darn thing starts squealing. This is the second one that has done this to me. OEM BABY.