1999 Mercury Mountaineer ignition missfire

Tiny
FARROWM
  • MEMBER
  • 1999 MERCURY MOUNTAINEER
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 186,000 MILES
The car seems to run good when cold but when it gets warmed up it starts to missfire. I changed the spark plugs and spark plug wires and it didnt help. I took off one of the spark plug wires on the coil after it was warmed up and it was sparking eratically.
Do you
have the same problem?
Yes
No
Tuesday, March 2nd, 2010 AT 6:05 AM

1 Reply

Tiny
JACOBANDNICKOLAS
  • EXPERT
Has the check engine light come on?
Was this
answer
helpful?
Yes
No
Tuesday, March 23rd, 2010 AT 7:39 AM

Please login or register to post a reply.

Recommended Guides