Mechanics

MISFIRE

1997 Ford F-150 • 140,000 miles

Misfires on #8 cylinder looked at sparkplug and it is wore hooked scaner up to it and came up as #8 cylinder wondering if that could be it or am I looking at a bigger problem with that cylinder its not smoking real bad
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Ducommun76
May 12, 2013.



If the plug is worn, replace them all along with the coil boots.

If you see any coolant in the spark plug wells. Replace the intake manifold as well as that is where the coolant leaks from

Roy

ASEMaster6371
May 12, 2013.