99 Grand Voyager,


Old 01-09-13, 07:22 AM
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Join Date: Jan 2013
Location: US
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99 Grand Voyager,

I have a 1999 Plymouth Grand voyager with the following problems. The plugs turn black, blows black smoke, and acts like it is choking when you drive it and will stall. Changed the fuel pump and filter.
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Old 01-09-13, 08:57 AM
Join Date: Oct 2012
Location: USA
Posts: 614
Did you pull the codes? The computer is telling it to run rich for some unknown reason. Possibly a temperature sensor.
Old 01-09-13, 07:51 PM
iceman681's Avatar
Join Date: Jul 2012
Location: usa
Posts: 436
engine? but a blind quess would be a bad map sensor. find it unplug it and see how it does. it wont be perfect but if better replace it. if the codes match up.
Old 01-10-13, 05:24 AM
the_tow_guy's Avatar
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Join Date: Feb 2001
Location: SW Fla USA
Posts: 11,575
O2 sensor can do that, too, but should light up the check engine light.

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