Question about 1993 Mercury Grand Marquis
Have a bucking problem. Changed spark plugs did not help. Car starts easy and runs smooth as glass. Hit the gas and it will throw you back in your seat. Get on the hwy doing 60 and boom..boom.....boom..boom..hard bucking all the way to work 60- 80 times or more. Could this be a fuel filter? or something more serious. Checked the wires to the coil packs and they are clean. Please help with advice.
Well in my madness of trying to figure it out with mama wanting it fixed and fixed fast and it being Hot! outside. I set back in the cool air with drink in hand wishing she had to do it instead of me, thought about it and said Ahhhhh! Coil pack or wires. I chose "coil pack" The problem is gone, Mama is happy and the world is right once again.
Coil pack would heat up and then breakdown.
Posted on Jul 25, 2008
It might be the valves not sealing and/or Engine timing could be off
Posted on Nov 19, 2008
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Posted on Jan 02, 2017
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