thomaskaiser1
Lova Oxygen Sensor Heater Failure
Summary of the thread
A 2017 Chevrolet Lova owner experienced a check engine light and increased fuel consumption, with an error indicating an oxygen sensor heater failure. The suspected cause was a defective cable or plug connection. Another individual shared a similar experience with a different car, where a corroded connector was the issue. The owner was advised to inspect the wiring and connector, and upon further investigation at a workshop, a faulty sensor connector was confirmed as the problem.
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4 comment(s)
thomaskaiser1 (community.author)
Thanks for the tip! I checked the sensor and wiring, but couldn't see anything obvious. Where exactly was the corroded connector on your Astra? Maybe I can take a closer look in that area on my Lova.
leoniekoehler10
On my Astra, it was right where the O2 sensor cable plugged into the main wiring harness. It was hidden under some protective sheathing, so it wasn't immediately visible. Since you couldn't spot anything obvious maybe it's best to take it to a workshop. They can properly test the sensor and wiring.
thomaskaiser1 (community.author)
Thanks a lot! You were right, I went to the workshop and it was a faulty sensor connector as you predicted. The cost for repair was 95€. I appreciate your help!
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CHEVROLET
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LOVA
leoniekoehler10
I had a similar problem with my old Opel Astra. Same symptoms: check engine light, error code pointing to the O2 sensor heater, and the gas mileage went down. It turned out to be a corroded connector. Have you tried visually inspecting the sensor's wiring and connector for any damage or corrosion?