My 98 frontier has one spark plug boot that pops up after you start it. What could be the problem?????

Asked by Jan 12, 2013 at 01:44 PM about the 1998 Nissan Frontier 2 Dr XE 4WD Standard Cab SB

Question type: Maintenance & Repair

Truck had to sit in upstate NY winter for a month while finding a replacement alternator. Now when I start the truck one of the spark plug boots pops up slightly with a small bead of condinsation on the inner end..??? What could be causing this? PLEASE HELP!!

2 Answers

Torque that spark plug in it may be loose blowing out pressure

104,835

Replace that plug. It sounds like engine compression is leaking up through the plug and popping the boot off.

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