eberhardeis88
Seat Exeo running lean
4 comment(s)
eberhardeis88 (Author)
How did you figure out it was the oxygen sensor or EGR valve? Were there any other symptoms besides the engine light?
walter_moon43
The O2 sensor was the culprit in the past, but this time, the symptoms sounded familiar, but it was actually a faulty fuel injector. That can also cause a lean mixture. Honestly, without proper diagnostics, it's hard to be sure. Maybe best to get it checked at a workshop.
eberhardeis88 (Author)
Took it to a mechanic, and they confirmed it was a faulty fuel injector. Replaced all four, cost me 515€, but the Exeo is running smoothly again. Thanks for the advice!
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walter_moon43
I had a similar problem with my Exeo. Reduced power and the engine light. Have you checked the oxygen sensor or the EGR valve? Sometimes a faulty sensor can mess with the air-fuel ratio and cause those symptoms.