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2000 Ford F-150 Misfiring

Tiny
TYSON K
  • MEMBER
  • 2000 FORD F-150
  • V8
  • 4WD
  • AUTOMATIC
  • 109,500 MILES
Driving my truck earlier today and had no signs of trouble. I parked my truck at my parents for approximately 11 hours then was going home. I started the truck and let it run for approximately 15 minutes to warm up and then left. The truck I could feel was acting up as soon as I pulled out of the driveway. The CHECK ENGINE SOON light started flashing minutes after hitting the road. The truck was shaking badly most of the way home. I made it home and checked the manual and it says a flashing CHECK ENGINE SOON light indicates misfiring. Just wondering what troubleshooting steps I can take to cure this problem, plugs or plug wires? Thanks and Merry Christmas!
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Monday, December 24th, 2007 AT 11:35 PM

1 Reply

Tiny
SERVICE WRITER
  • MECHANIC
  • 9,123 POSTS
There are a multitude of reasons for a misfire. Obviously don't drive it like that or you will damage the converter.

For it to come on so sudden, I don't expect that several plugs just went bad. I would first get the codes from the computer and see what other codes besides misfire codes are stored.
Or you can follow a troubleshooting format for diagnosing the misfire found in a manual.
http://www.2carpros.com/kpages/auto_repair_manuals.htm
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Monday, December 24th, 2007 AT 11:41 PM

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