Exhaust Gas Temperature Sensor Circuit High (Bank 2 Sensor 1)
Common Symptoms
- Check engine light illuminated
- Reduced engine power or limp mode activation
- Poor fuel economy
- Increased exhaust emissions
- Engine may run hotter than normal
Most Likely Root Causes
- Failed exhaust gas temperature sensor
- Damaged or corroded wiring harness to EGT sensor
- Poor electrical connection at sensor connector
- Short to voltage in sensor circuit
- PCM internal fault
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Component Location
The exhaust gas temperature sensor is located in the exhaust manifold or exhaust pipe on the bank 2 side of the engine upstream of the catalytic converter.
Manufacturer Notes
Some manufacturers use multiple EGT sensors for diesel particulate filter regeneration control and turbocharger protection strategies.
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