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erikeagle1

Seat Leon Diesel Engine Trouble

Evening. My 2015 Seat Leon with a diesel engine is giving me some grief. The check engine light keeps popping up, and I've noticed the engine running a bit rough. I did a car diagnostics and it seems to be related to the water sensor. The error memory stores an error related to it. Anyone experienced something similar?

4 comment(s)

michaelphoenix1

I have a Seat Leon as well, though I'm not sure what year. I recall encountering a similar issue some time ago with the malfunction indicator illuminating and rough engine running. Have you performed any car diagnostics, and did you get a specific error code related to the water sensor? It may be an electrical fault affecting the sensor's readings. I suggest that you check the sensor and its wiring.

erikeagle1 (Author)

Thanks for the quick reply! Yes, I did a car diagnostics and it showed an error related to the water sensor. You mentioned an electrical fault - could you be more specific about what I should be looking for when checking the wiring? Any particular areas that are prone to issues?

michaelphoenix1

That sounds very similar to what I experienced. In my case, the electrical fault was due to a corroded connector at the water sensor itself. The mechanics explained that this is a common issue. If the error code specifically points to the sensor and you've checked the wiring as much as you can, I'd recommend taking it to a workshop. They'll be able to properly diagnose and repair the electrical fault, or replace the sensor if necessary.

erikeagle1 (Author)

I took your advice and went to the workshop. They found a defective plug connection at the water sensor, just as you suspected. 95€ later and the Leon is running smoothly again. Thanks a lot for your help!

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