1999 FORD F150 MISFIRE

  • Tiny
  • jesse brown
  • 1999 Ford F-150

Engine Performance problem
1999 Ford F150 V8 Two Wheel Drive Automatic 158000 miles

I changed the spark plugs I put motocraft plug in it.
But my truck is still shaking are you could say jumping when I push the trootle in it only does it when I go up a hill or get over 40 mph. I had a computer check my service engine light it said the number 4 cylinder was misfireing could it be the coil pak.

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Saturday, June 13th, 2009 AT 12:46 AM

1 Reply

  • Tiny
  • island_pride71
  • Member

You should check no.4 sparkplug, compression and injector

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Saturday, June 13th, 2009 AT 2:09 AM

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