Fuel pump has no power

Asked by Apr 17, 2017 at 08:53 PM about the 2001 Audi S4 quattro Turbo Sedan

Question type: Maintenance & Repair

I replaced my relay a month ago thought I solved
the problem now my fuel pump does not hum

5 Answers

76,865

Did you check the fuse? Did you check for power at the pump or are you guessing? Maybe you need a new pump.

27,145

GOOD ANSWER ABOUT THE PUMP....BUT YES RUN A TEST LIGHT OR A BUZZER TO THE PUMP ITSELF WIGGLE BANG KEY ON...IF THERE IS POWER THEN ITS THE FUEL PUMP

My fuse is good relay is clicking on turn key and I replaced my old pump with a used pump out of a buddy's car . (fuel pump was dusty) I was hoping it would work but didn't still no humming. Faulty fuel pump again? I jus need some ease of mind ill have money for a new one this week but need to know what are the chances of it jus being the pump or something else 166000 miles 01 s4 QUATTRRO THANKS IN ADVANCE

???? Defanitly a fuel pump or ?

76,865

Use a multi-meter to test for power at the tank. Everything else is just flailing around.

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