Genuine VW/Audi Fuel Pump, Electric | 5N0906129B
Make Sure It Fits
Audi: A3. In tank. On engine. With diesel.
The electric fuel pump on your vehicle pumps fuel from the fuel tank to the engine and builds fuel pressure for your vehicle’s fuel injection system. The electric fuel pump can be located inline between the fuel tank and the engine or inside the fuel tank and may be fitted with a fuel filter and fuel level sensor for the fuel gauge.
Electric fuel pumps can fail in several ways. Furthermore, other failed components of your vehicle’s fuel delivery system can mimic a failed fuel pump. Weak fuel pressure causing your engine to run lean can be due to a fuel pump not pumping adequate volume, a clogged fuel filter, or a leaking fuel pressure regulator. Additionally, a fuel pump not pumping any fuel and preventing the engine from running could be a completely failed fuel pump or a fuel pump relay not supplying power to the fuel pump to operate. Always checking power to the electric fuel pump and fuel pressure at the pump will help to prevent a misdiagnosis of a problematic fuel pump.
Signs of a Failing Electric Fuel Pump
- Vehicle not starting
- Idling rough
- Engine surging
- Severe lack of power
Replacing Your Vehicle’s Electric Fuel Pump
Your electric fuel pump should only be replaced if failed or damaged. For electric fuel pumps located in the fuel tank with the fuel level sensor, the fuel pump would be replaced as part of the fuel pump and level sensor assembly if the fuel tank level sensor needs to be replaced.
Replacement of the fuel pump can take anywhere from one hour to several hours to replace depending on location. Electric fuel pumps located in the fuel line are often heavily covered to prevent damage from road debris and some fuel pumps located in the fuel tank will require the removal of the fuel tank to remove and replace. To prevent premature failure of a newly installed fuel pump, it is highly recommended to replace the fuel filter or fuel pickup screen to prevent contaminants from entering the fuel system and damaging the fuel pump.
View more Genuine VW/Audi Electric Fuel Pumps.
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What This Genuine VW/Audi Fuel Pump, Electric Fits?
Application information below is for reference only and should not be used to determine the exact vehicle fitment. Please use the "Make Sure It Fits" vehicle selection box above to determine the exact fitment and review any application notes. If you need any help determining if this part works with your vehicle, please don't hesitate to contact us.