1995 CHEVROLET VAN
160,000 MILES
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ANONYMOUS
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  • 1 POST
1995 G20 chevy van 350 K TBI. Van won't start/run unless accelerator to floor. Black smoke from tailpipe.Engine getting too much fuel. Plugs black from excessive fuel,plug wires ok-low resistance. Is this fuel pressure regulator,injectors(2), or oxygen sensor?
Mar 24, 2013 at 7:05 PM
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ASEMASTER6371
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not o2 sensor.

sounds like bad injector or regulator.

take off the air filter and see if the injector leaks with key on only, not running

Roy
Mar 24, 2013 at 7:08 PM
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SKRIEGS
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replaced fuel pressure regulator, injectors don't leak with key on only, not running.???
Apr 1, 2013 at 9:55 PM