sophiehoffmann76
GT86 Oxygen Sensor Issue
Summary of the thread
A 2013 Toyota GT86 owner experienced a check engine light and increased fuel consumption, suspecting an oxygen sensor issue. A faulty O2 sensor can indeed cause these symptoms. It was suggested to inspect the sensor's wiring and connectors for damage or corrosion. Upon professional inspection, a defective cable/plug connection to the O2 sensor was identified and repaired, resolving the issue.
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4 comment(s)
sophiehoffmann76 (community.author)
Thanks for the quick reply! Where exactly should I be looking for these connectors? Are they easy to spot, or are there any specific things I should look out for when inspecting them?
gertzimmermann1
The O2 sensor connectors are usually near the sensor itself, along the exhaust system. Look for any signs of damage to the wiring, like frayed insulation or corrosion on the connector pins. A multimeter can help you check for continuity. But honestly, with those symptoms, I'd take it to a workshop. An aged O2 sensor could be the problem, and they can diagnose it properly.
sophiehoffmann76 (community.author)
Okay, I appreciate the advice! I took it to a mechanic, and you were right – it turned out to be a defective cable/plug connection to the O2 sensor. They repaired it for 95€. Thanks again for pointing me in the right direction!
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TOYOTA
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GT86
gertzimmermann1
Yeah, a failing O2 sensor definitely throws a CEL and tanks your fuel economy. Have you checked the sensor's wiring and connector? A loose or corroded connection could be the culprit before you start suspecting the sensor itself.