P1455
Exhaust Gas Temperature Sensor 1 Range/Performance
Severity
⚠️ MediumCan you drive?
Yes, but get it checked soon
Approx. repair cost
$28–89 (est.)
Symptoms
- Check Engine light comes on
- Reduced engine power
- Increased fuel consumption
- Unstable engine idling
- Increased level of harmful emissions
Causes
- Faulty exhaust gas temperature sensor 1
- Open or short circuit in the sensor circuit
- Poor contact in the sensor connector
- Wiring harness damage
- Problems with the engine control unit
How to Fix
- Check the integrity of the sensor circuit
- Inspect the sensor connector and contacts
- Check sensor resistance
- Replace exhaust gas temperature sensor if necessary
- Reset the error code and check the system operation