P1453
Exhaust Gas Temperature Sensor 1 Open/Short to B+
Severity
⚠️ MediumCan you drive?
Yes, but get it checked soon
Approx. repair cost
$28–89 (est.)
Symptoms
- Check Engine Light Is On
- Possible increase in fuel consumption
- Reduced engine power
- Incorrect operation of the EGR system
- Unstable idle
Causes
- EGT 1 temperature sensor malfunction
- Broken or damaged wiring
- Short circuit to positive on-board network
- Poor contact in the sensor connector
- ECU malfunction (rare)
How to Fix
- Check the integrity of the sensor wiring
- Check the resistance of the EGT sensor
- Inspect connectors for oxidation
- Replace EGT temperature sensor if necessary
- Check the voltage in the sensor circuit