Fuel pump

Asked by GuruPZNB May 04, 2017 at 12:47 PM about the 1997 Chevrolet C/K 1500 Silverado Extended Cab LB 4WD

Question type: Maintenance & Repair

Hey I put a new fuel pump in my truck had 60 psi
ran great for 3 days now it want start. I checked
the psi now it's 40 psi .

1 Answer
223,935

Rowefast answered 7 years ago

I suspect the spider injection is leaking and would need replacing. Put the fuel pressure gauge on there, build up fuel pressure, then turn the key off. Fuel pressure should not drop more than 5 lbs. in 3 minutes.

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