Question about 1997 Chevrolet C/K 2500

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2000 chevy ck 2500 5.7L 4x4

I replaced the fuel pump about 6 months ago along with the filter. Damp rainy weather makes it mist. Plugs and wires are good. Cap and button are good. Now the truck will struggle to start when it finally does it acts like its not getting gas or spark. Cutting out and dies. It acts like it is electrical but not sure. Looking for help. The fuel pump seems to be ok. Not sure how to check it but can hear it running.

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Get a fuel pressure gauge and measure on the fuel supply line on the rear of the inlet manifold. In my experience you need close to 4Bar while cranking. Priming pressure should be about 4.4Bar. This test will eliminate a variety of possible problems. I have had a variety of problems and found this very helpful.

Posted on Nov 16, 2010

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Posted on Jan 02, 2017

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SOURCE: 2000 chevy ck 2500 5.7L 4x4

Is Check engine light on..?
Your problem sound like a fuel pressure related .If you have a fuel pressure tester, check the fuel pressure dont't drop. (key on engine off)

Posted on Mar 24, 2010

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