1997 Mercury Villager has miss

1997 MERCURY VILLAGER
181,000 MILES • 6 CYL • FWD • AUTOMATIC
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GENE1988
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  • 14 POSTS
runs fine when starts up,then when motor gets warm it has miss,even while driven it,done complete tune up still didnt help,replaced mass air flow
Apr 16, 2008 at 6:37 PM
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SERVICE WRITER
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What codes are in the pcm?
Lean codes?

If this is a 3.8, fair chance of a bad plenum gasket. There is a problem that requires 8 new bolt/washers, the 6 intake seals and the plenum gasket.
Apr 17, 2008 at 5:51 AM