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isabella_stern4

Sprinter fuel level sensor issue

My 2013 Mercedes Sprinter with a gasoline engine has a check engine light. It sometimes stalls at idle. A scan points to a fuel level sensor fault. Has anyone seen this before? Is there a fuse I should check? I am trying to avoid issues with the car electronics.

Summary of the thread

A 2013 Mercedes Sprinter with a gasoline engine exhibited a check engine light and occasional stalling at idle, with a scan indicating a fuel level sensor fault. The issue was identified as a faulty fuel level sensor, possibly due to wiring issues, corrosion, or a defective sensor itself. The sensor is located inside the fuel tank, and accessing it typically requires professional assistance. Ultimately, the problem was resolved by replacing a defective fuse, leading to the vehicle running smoothly again.

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4 comment(s)

johnshadow19

I had a similar issue with my Mercedes. Not the same model, but close enough. The fuel gauge was acting erratically, and the check engine light was on. It was a faulty fuel level sensor. First, check the wiring going to the sensor. Make sure everything is properly connected and there's no corrosion. Also, if you can access the sensor itself, inspect it for any physical damage. Otherwise, maybe the level sensor itself has failed.

isabella_stern4 (community.author)

Where is the fuel level sensor located? Is it difficult to access? If I need to replace it, is it something I can do myself, or should I take it to a professional?

johnshadow19

The fuel level sensor is typically located inside the fuel tank, as part of the fuel pump assembly. Accessing it usually involves dropping the fuel tank or accessing it from under a rear seat panel, depending on your vehicle's design. Given the symptoms, which includes engine stalls, and the fact that you already have an error code related to the sensor, it is best to take your car to a mechanic with experience in car electronics and the fuel system. A proper diagnosis with the right equipment is essential to confirm the problem and avoid unnecessary replacements. It could also be related to a defective car sensor, even if rare.

isabella_stern4 (community.author)

I took it to the shop, and you were spot on. The fuel level sensor was the culprit, even if it was just a defective fuse. They replaced it, cleared the code, and it's running perfectly now. Final bill was around 52€ Thanks for the guidance!

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MERCEDES

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SPRINTER