Question about 2000 Mercury Grand Marquis
Does it have an IATC or idle control valve? Did you remove the battery cable for ten minutes,rehook it up,start it and let it idle for 5 min. and then drive it for 10 or more miles? That will reset the computer to your driving habits they tell me.
Now,cleaning the MAF sensor and installing a new air filter would be a good move.Do this before you unhook the battery to reset the computer.
Posted on Feb 22, 2012
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Posted on Jan 02, 2017
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