BLACK SMOKE OUT TAILPIPE

1993 GMC Safari

Tiny

enginepro

May, 24, 2010 AT 10:29 PM

Engine Performance problem
1993 GMC Safari 6 cyl Two Wheel Drive Automatic 300000 miles

Engine starts on clear flood mode. Gas pedal alll the way down. Wide open throttle.
Engine does not idle well.
Black smoke out the tailpipe.
Thanks

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Tiny

rasmataz

May, 24, 2010 AT 10:34 PM

Inspect and test the injectors, fuel pressure regulator and coolant temperature sensor.

Tiny

enginepro

May, 24, 2010 AT 10:56 PM

Thanks for your help.
I will check these out in the morning and let you know what is happeneing.

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