Exhaust Gas Temperature Sensor Circuit Intermittent (Bank 2 Sensor 2)
The EGT sensor at bank 2 sensor 2 signal jumps or drops out intermittently — typically a connector or chafed wire near the exhaust manifold heat zone.
Affected components
- Exhaust gas temperature sensor
Common causes
- High likelihood: Connector loose
- Low likelihood: Connector with intermittent contact under vibration
- Low likelihood: Harness routed against vibrating component
Diagnostic notes
- The malfunction indicator lamp may illuminate
- This code can affect emissions
Related codes
Sources
Diagnostic information is provided for reference only. Confirm the code with a compatible scan tool and follow the vehicle manufacturer's service procedures before replacing components.