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1992 f150 is misfiring when it is idelling.

\015 Already did a tune up, even replacing the distributor cap, wires, and plugs. New radiator cap, air filter, and oil change. Any ideas? Also, my check engine light is on. HELP!\015 Posted / edited by AnonymousUser on : 17-12-2018

Answers :

I had this same thing happen under the same circumstances with a 1993 GMC Sonoma truck. I'm sure you've probably already checked this, but those new wires will sometimes pop off or loosen after a day or two when first installed. That's what happened with one of my new wires, and all that had to be done was to snap it back on securely. Misfire problem gone. Good luck with yours!
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