decided to try the Al 104 back into my car and the aeroforce shows "2" misfires on a few cylinders now and then.... is that normal? there brand new plugs . had 0 misfire with stock ac delco .....that how i know its plugs....
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09-18-2011
decided to try the Al 104 back into my car and the aeroforce shows "2" misfires on a few cylinders now and then.... is that normal? there brand new plugs . had 0 misfire with stock ac delco .....that how i know its plugs....
09-18-2011
What's the gap on the 104s?
Originally Posted by W-Body Store
09-18-2011
Pull the two plugs. I have a feeling that one of those will probably be cylinder 6. Not uncommon to accidentally crack the porcelain on the plug. Also double check to make sure your wires are snug and they "snapped" in place.
09-18-2011
Gap at 53. Tgou and no they arent cracked and rubbers snapped on good
09-18-2011
random misfiring is a 3800 staple. it happens even on healthy stock motors.
im assuming this is at idle?
09-18-2011
Yes on idle . Ive been running the plugs for a few hrs now and its getting better.
09-18-2011
modded 3800's LOVE to misfire at idle.
09-18-2011
Would having spark plugs 2 ranges colder than you should cause misfires?
07-19-2013
2 years late, yes
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