1994 GMC C1500 WONT'T START AFTER ENGINE IS STARTED ONCE AN

1994 GMC C1500
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B_RUEHLE
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Electrical problem
1994 GMC C1500 V8 Four Wheel Drive Automatic

ENGINE STARTS AND RUNS WELL WHEN FIRST ,STARTED COLD . AFTER 5 TO 10 MINUTES STALLS AND THEN WILL NOT FIRE . IS GETTING FUEL Into throttle body .
Feb 8, 2009 at 3:40 PM
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RASMATAZ
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AFTER 5 TO 10 MINUTES STALLS AND THEN WILL NOT FIRE

Check if its getting spark if okay. Do a fuel pressure test
Feb 8, 2009 at 4:07 PM
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B_RUEHLE
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lo again I shoud have given more info yes the truck has spark though it mighy have been week so replaced coil . new plugs, spark is there and fuel is working . I loosed the distributer to change advance . no differance.us it possiby the converter is plugged there seemed to be smorking around the o2sensor in the manifold thanks
Feb 10, 2009 at 10:37 PM
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RASMATAZ
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Do a backpressure test on the exhaust system to rule out the catalytic converter
Feb 11, 2009 at 9:41 PM
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