I have a misfire on coil number 5 what causes this? and what do i need to do to fix this?

Asked by May 17, 2013 at 11:13 PM about the 2003 Buick Park Avenue Base

Question type: Maintenance & Repair

sometimes when I start it,  it for lack of
better words  putters and does not run  
right but after I wiggle and play with the
coil wires it will start and run perfectly fine

2 Answers

92,905

The connector could be bad at the coil, the connector pins in the coil could be loose, wiring to the coil could have a problem.Going with what you stated about wiggling the connector I would replace the connector first as it will be the least expensive to fix and go from there.

105

well coil runs so its fine but you have to play with the wires to make it run sounds like a bad connection your connector is worn out. you might get away with taking the connector off and cleaning it. you should follow the wire you are pulling to make it start and check its connections to make sure the wire is not loose.

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