06bluebanshee Posted September 17, 2012 Report Posted September 17, 2012 Hello guys! What does it mean if your spark plug has a good size black burn mark right at the top of the spark plug? On the teriminal nut, the part the rubber boot slides over.... When I look at the inside of the rubber boot the metal tab has the same burn mark?? Normal or what? Thanks! Quote
Starwriter Posted September 17, 2012 Report Posted September 17, 2012 Definitely not "normal". LOL. The clip inside the boot is not snapping tight onto the plug and it's arcing. Temporary fix, squeeze the boot with pliers, to squeeze the clip tighter. Permanent fix, unscrew the boots from the wires, snip off 1/2" of wire and screw on new boots. Quote
06bluebanshee Posted September 17, 2012 Author Report Posted September 17, 2012 That makes perfect sense!! Thank you!! Quote
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