I have a 1999 Mercury Cougar and it has a misfire. We have replaced spark plugs and colpak But it still does it. When your sitting still it starts bogging down like it is going to cut off and then when you give it gas it acts like it is fine. The code it keeps bringin up is misfire on one. Any idea what could be wrong?
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Tuesday, December 16th, 2008 AT 8:39 AM