Thread: 92 B250 Ram Van running rich/black smoke/hard start
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Old 07-14-2007, 01:52 PM   #3
The_Mechanic_33
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Re: 92 B250 Ram Van running rich/black smoke/hard start
-upstream o2 sensor
-map sensor
-fuel pressure regulator
-ignition secondary wires

just a few possible causes.

Is engine light on if so any codes?

You will ruin your cat and possibly your o2 if you keep driving like this.
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