1991 Dodge Ram Van B250 Q&A

1991 Dodge Ram Van B250 Question: black smoke

my van cuts in an out an has hevy black smoke coming from tail pipe and it is realy bad on gas -
Answer 1
Sounds like a fuel control problem, like a vacuum leak or a sensor issue. Have a diagnostic test performed that may focus on that area. -
Comment 1
its not showin any codes -
Comment 2
A diagnostic test only starts with reading codes. A 1991 vehicle is very limited in diagnostic codes compared to a current year model. Some good manual testing of fuel pressure, air flow, monitoring oxygen sensor performance and barometric pressure is a good start. -
Answer 2
tune-up and new fuel filter maybe clean the carb. out with spray -
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