1990 Dodge Caravan buning rich

1990 DODGE CARAVAN
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SHADOWBEASLEEP
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Engine Mechanical problem
1990 Dodge Caravan 6 cyl Two Wheel Drive Automatic
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van has no exeleration very little going up hill ,black soot around tailpipe but not smoking has exhaust issue .van has died a couple of times going down road thought maybe vapor locking. if burning rich causes would be?
Aug 8, 2008 at 12:48 PM
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RASMATAZ
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Could be caused a bad O2 sensor, excessive fuel pressure (bad fuel pressure regulator or plugged return line), leaky fuel injectors, dirty air filter or restricted air inlet, or a defective coolant sensor that prevents the engine management system from going into closed loop mode.
Aug 8, 2008 at 1:00 PM
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