Exhaust Gas Recirculation Sensor "C" Circuit Range/Performance

The exhaust gas recirculation sensor C is sending readings that are outside the normal operating range or not changing as expected during operation. This could indicate a faulty sensor, vacuum leak, or carbon buildup in the EGR system. The vehicle may experience rough idling or reduced performance until the issue is diagnosed and repaired.

No detailed repair guide linked yet. Check back soon or search for related issues.