I have an 01 Silverado 2500 HD is there any way to prove the fuel pump is bad without actually removing it

Asked by 01silveradoguy Sep 29, 2015 at 07:13 PM about the 2001 Chevrolet Silverado 2500HD LS Extended Cab 4WD

Question type: Maintenance & Repair

Trying to prove fuel pump is defective without having
to pull the tank or bed off

2 Answers
223,885

Rowefast answered 9 years ago

Need a fuel pressure gage, check fuel pressure, should be 56 to 62 lbs.

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223,885

Rowefast answered 9 years ago

Make sure the fuel filter is clean, new, and there should be what they call a Schrader valve, pore, on top of the intake where the fuel line come into, hook up the pressure gage at this point.

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