Mechanics

ROUGH IDLE

1997 Mercury Villager

Engine Performance problem
1997 Mercury Villager 6 cyl Two Wheel Drive Automatic 121000 miles

97 mercury villager van 3.0 motor I did a complete tune up, changed all filters, pcv valve, checked for vacume leaks, rechecked all the fireing orderthe engine runs rough at idle but smoothes out when you start driving, no engine codes are present.
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Dcb1971
March 25, 2009.



You may have an injector not providing enough fuel at idle. Try some Techron fuel system cleaner by Chevron. This will clean injectors and valves.
Let me know
Thanks for Donate

Docfixit
Mar 25, 2009.