P1454
Exhaust Gas Temperature Sensor Short 1 to Ground
Severity
⚠️ MediumCan you drive?
Yes, but get it checked soon
Approx. repair cost
$28–89 (est.)
Symptoms
- Check Engine Light Is On
- Increased fuel consumption
- Reduced engine power
- Catalytic converter overheating
- Unstable idling
Causes
- Damage to the EGT sensor wiring
- Malfunction of the exhaust temperature sensor itself
- Short circuit in wiring harness
- Problems with sensor connectors
- Contact corrosion
How to Fix
- Check the integrity of the sensor wiring
- Test the resistance of the EGT sensor
- Inspect connectors for corrosion
- Replace exhaust temperature sensor if necessary
- Repair damaged wire insulation