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1994 Ford Thunderbird engine misses

Tiny
TYLER2I123
  • MEMBER
  • 1994 FORD THUNDERBIRD
  • V8
  • 2WD
  • AUTOMATIC
  • 145,000 MILES
When you increase your speed the engine misses and then will level out after you hit cruise speed but to increase it misses again, could the problem be plugs? Fuel indectors? Electric system? Please I need help to pin point the problem.
Saturday, June 13th, 2009 AT 1:49 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Engine misfiring can be caused by worn or fouled spark plugs, a weak spark (weak coil, bad spark plug wire), loss of compression, vacuum leaks, anything that causes an unusually lean fuel mixture (lean misfire), an EGR valve that is stuck open, dirty fuel injectors, low fuel pressure, or even bad fuel
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Saturday, June 13th, 2009 AT 2:55 PM

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