helmutkoch53

Lexus UX knock sensor issue

My 2019 Lexus UX hybrid has a check engine light. Mileage is at 223831 km. I've noticed higher fuel consumption and uneven idling. Suspect it might be the knock sensor, possibly a bad connection.

A 2019 Lexus UX hybrid exhibited a check engine light, increased fuel consumption, and uneven idling, leading to the suspicion of a knock sensor issue, possibly due to a bad connection. The problem was confirmed to be a faulty knock sensor connection, which was resolved at a cost of 95€.

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4 comment(s)

Sounds familiar. Had similar symptoms on my old Opel Astra. The warning light was on and the engine performance was degraded. Have you checked the sensor's cable and plug?

Yeah, I checked, but couldn't spot anything obvious. What was the cause in your case?

In my case, it was also a defective cable connection that caused the issue. I'd recommend a workshop to properly diagnose the problem.

Thanks. It ended up being a faulty knock sensor connection, just like you said. Cost 95€ to fix.

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LEXUS

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