How do I check if my fuel pump is bad or not before replacing

Asked by Mar 22, 2015 at 03:48 PM about the 2001 Chevrolet S-10 4 Dr LS 4WD Crew Cab SB

Question type: Maintenance & Repair

Put new cap & rotor,wires & plugs,air filter,MAF & had MAP sensor checked, new fuel filter, all set off due to bad battery[weak] replaced battery. Hindsight20/20 WOW

1 Answer

6,805

After the car has sat for a while have someone listen by the fuel filler neck, turn the key on but do not crank, you should here the pump cycle once then stop, if not check fuel pump fuses and relays

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