1991 dodge colt vista running rich

1991 DODGE COLT
120,000 MILES • 4 CYL • FWD • AUTOMATIC
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SYRUSSDOG
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describe your problem...1991 dodge colt vista running rough and alot of black soot coming from exhaust
Dec 1, 2010 at 9:20 PM
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MHPAUTOS
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Start with a scan and a full tune up, most problems of this nature are tune issues, start here.

mark (mhpautos)
Dec 2, 2010 at 11:27 AM
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SYRUSSDOG
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Full tune up was done and still fouls plugs.O2 readings are around .95-.86
Dec 5, 2010 at 5:39 PM
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MHPAUTOS
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Scan results? fouling plugs can be ignition timing, injection duration, vacuum leaks, we need scan results first.

mark (mhpautos)
Dec 6, 2010 at 12:30 AM