1995 Lincoln Continental plug not firiing on #9 cylinder

Tiny
LAWDOG55
  • MEMBER
  • 1995 LINCOLN CONTINENTAL
  • V8
  • FWD
  • AUTOMATIC
  • 92,000 MILES
Running rough but runs fine after reaching over 30mph. Was told plug not firing on #9 cylinder replaced plug still problem.
Monday, February 16th, 2009 AT 12:43 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Check no. 9 compression and injector

Misfires 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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Monday, February 16th, 2009 AT 12:46 PM

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