This diagnostic tip advises the tech to check if the upstream O2 sensor has been replaced with a faulty or...
Chevrolet technical service bulletin 19NA196 for 2010-2017 Chevrolet Equinox and 2010-2017 GMC Terrain.
- Bulletin number
- 19NA196
- Component
- Electrical system
- Summary
- This diagnostic tip advises the tech to check if the upstream O2 sensor has been replaced with a faulty or aftermarket sensor and how to verify if the sensor is the cause of the concern.
Owners of these vehicles have filed 640 complaints in the electrical category.
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