Question about 1996 Chevrolet C1500

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I have a 1996 gmc with the 4.3 vortex motor i changed the feul pump and sending unit and it drove great for about 3 mounths and now i had to start spraying starting fuild in it to start it and then after awail it started to run like on 4 or 5 cyinders or just runing rough, but any way now it wont even start plugs show lack of feul is there a way to test if feul peassure regulator is bad or if the injectors are bad.

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Pull the vaccuum hose off of the regulator. If wet fuel is present, the regulator diaphram is bad.......replace the regulator.

Posted on Sep 13, 2010

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