Question about 2001 Ford Expedition
It intermittenly idles up and down about 500 rpm when stopped at a redlight, moving slowly in a drive through, and even lately when parked in the driveway in park. my repair shop says his machine does not give him any codes. can you help.
I had the same problem and it turned out to be cylinder one wasn't firing correctly (bad plugs). It could be any cylinder but mine was number one. I replaced the plug and it's fine now.
Posted on Aug 06, 2008
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