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Fuel pump relay?

Tiny
STERLINGMAINE
  • MEMBER
  • 2017 VOLKSWAGEN PASSAT
  • 1.8L
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 60,000 MILES
I believe I have an issue with my fuel pump relay. My car cut off driving and would not Start. I let it sit for a while and it started and ran for 15-20 seconds and shut off again. I replaced the fuel pump and same issue. After the car has been sitting for a few hours, I can turn the key on and feel the pump working. It will crank but then stop working quickly and the car will turn off. I assume it has to be the relay, but I cannot find anything to show me which relay it is.
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Thursday, December 29th, 2022 AT 5:09 AM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,702 POSTS
This car does not have a fuel pump relay but rather a fuel pump control module which varies the voltage to the pump to control pressure. Here is the location of the module and the wiring diagrams for the pump so you can see what I am talking about. It is located at the rear of the car near the fuel tank/pump. This is what it looks like. Check out the images (below). Please let us know if you need anything else to get the problem fixed.
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Thursday, December 29th, 2022 AT 1:52 PM

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