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antonia_himmel12

Etios check engine light IAT sensor

Check engine light on my 2018 Toyota Etios gasoline. Reduced power, rough running. Error code says possible IAT sensor issue. Mileage 32346 km. Could the IAT sensor cause this?

4 comment(s)

raphaeldark1

Hey, that sounds familiar. I had similar symptoms on my old Opel Corsa. Check engine light, sluggish performance... Turned out to be a dodgy air sensor too.

antonia_himmel12 (Author)

Interesting. Was the error code you received also pointing towards the IAT sensor? What diagnostic steps did you take?

raphaeldark1

Yep, same error. I tried cleaning the sensor, but it didn't fix anything. I'd suggest taking it to a workshop; they can confirm if it's the IAT sensor for sure.

antonia_himmel12 (Author)

Thank you for the insight. I followed your advice and visited a workshop. The IAT sensor was indeed defective, and the replacement cost me 155€. The engine is now running smoothly again.

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