wont start

[MigsGM2500]

so to start off and fuel lines, tank, pump, and filter changed in december. went out the other day and doesnt start. Tried starter fluid and nothing. tries to start but nothing. so my mechanic said change the ignition cooil and module and maybe that will do it but still nothing. any help is appreciated! it is a 2000 k2500 btw

[silveradosid]

check the fuel pressure regulator

[east3021]

If it started with fluid and died after a few seconds, then I’d look for a fuel delivery issue.

If it did not start at all, then check for spark. Here’s a good step-by-step diagnostic for a small block...

http://easyautodiagnostics.com/gm/4.3L-5.0L-5.7L/ignition-misfire-diagnostic-tests-1

I’d check your grounds while you’re at it. See if the connections at the VCM (computer) are clean and tight.


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