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What is the Audi A4 fuel pump relay location?
My 2021 Audi A4’s engine has stalled several times and my husband thinks it might be the fuel pump relay. He wants to take a look at it. Where can we find it?
Andrea Barrett · Updated on
Reviewed by Shannon Martin, Licensed Insurance Agent.
A stalling engine could be an issue with the fuel pump. Unlike in many vehicles, the Audi A4 doesn’t have a fuel pump relay. The in-tank fuel pump is controlled directly by the fuel pump controller; the fuel pump controller 12v feed is fused through fuse 3 in the middle column of the fuse block on the driver’s end of the dash.
Although the Audi A4 may not have a fuel pump relay, other vehicles that do will show obvious signs of failure. These include:
- Engine stalling
- The engine does not start
- No noise from the fuel pump
If you suspect any of these issues could be caused by a dysfunctional fuel pump relay, it’s time to head to the mechanic! But before you head out, take a minute to update your car insurance policy to ensure you have roadside assistance in case the incident happens again. When you shop with
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- Gregory R.
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