Question about 1994 Chevrolet K1500

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MY 1994 5.7 1500 RUNS FOR A LITTLE BIT AND THEN SHUTS OFF,I CHANGED THE FUEL PUMP FUEL FILTER,IGNITION MODULE.IT STARTED RIGHT UP AND RAN FOR ABOUT 20MIN.I THEN SHUT IT OFF & LET IT SIT FOR 5 MIN.IT STARTED RIGHT BACK UP RAN FOR 30SEC. AND SHUT OFF.THEN ALL IT WOULD DO IS CRANK & NOT START.IT DID THIS FOR ALL 3 THINGS I CHANGED.

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You could have a fuel pump getting weak or fuel pump relay. One other thing to look into is the oil press. switch malfunctioning or loose connection. The fuel pump/relay get's it's power through this on some GM vehicles. If you have a haynes manual look at it's wiring diagram to verify.

Posted on Sep 25, 2009

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Posted on Jan 02, 2017

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