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Engine miss

Tiny
MATHIASIM
  • MEMBER
  • 1991 PLYMOUTH VOYAGER
  • 6 CYL
WHAT WILL MAKE A 3.3 MISS AND BACKFIRE ONLY WHEN WARM
Saturday, December 25th, 2010 AT 6:38 AM

3 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,885 POSTS
When was the last tune up? Have you checked for vacuum leaks? Has the check engine light come on to identify which cylender is missing? Have you checked to make sure none of the spark plug wires are arcing / shorting out on the engine and they are all on the plugs tight?

Let me know.

Joe
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Wednesday, December 29th, 2010 AT 12:49 AM
Tiny
MATHIASIM
  • MEMBER
  • 2 POSTS
Hello Joe thank you, I had replaced the spark plugs and the t.P.S at the time of this question being asked, and had purchased a 55.00 coil pack, but instead of replacing the coilpack, I first put on an economy (20.00) set of plug wires and it is now perfect. Thanks again. Mike
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Wednesday, December 29th, 2010 AT 1:30 AM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,885 POSTS
Great! That is a common problem. THey break down from heat and end up arcing and causing a miss. Glad it's fixed. Let us know if you have questions in the future.

Happy New Year and thanks for using 2carpros. Com.

Joe
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Wednesday, December 29th, 2010 AT 6:01 PM

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