P242A
Exhaust Gas Temperature Sensor Circuit Bank 1 Sensor 3
P242A is an OBD-II diagnostic trouble code meaning: Exhaust Gas Temperature Sensor Circuit Bank 1 Sensor 3. Common causes: faulty exhaust temperature sensor, open or short circuit in the sensor circuit. Estimated repair cost: $28–89.
Symptoms
- Check Engine light comes on
- Reduced engine power
- Increased fuel consumption
- The engine goes into emergency mode
- Unstable engine operation at idle
Causes
- Faulty exhaust temperature sensor
- 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 continuity of the exhaust temperature sensor circuit
- Inspect the sensor connectors and connections
- Check the resistance of the exhaust temperature sensor
- Replace the faulty exhaust temperature sensor if necessary
- Reset the fault code and check if it appears again
Related codes
Error P242A by Vehicle Brand
FAQ
What does the P242A code mean?
P242A is an OBD-II diagnostic trouble code that indicates: Exhaust Gas Temperature Sensor Circuit Bank 1 Sensor 3
What causes a P242A error code?
The most common causes of P242A include: Faulty exhaust temperature sensor; Open or short circuit in the sensor circuit; Poor contact in the sensor connector; Wiring harness damage.
How do I fix a P242A diagnostic trouble code?
To fix P242A: Check the continuity of the exhaust temperature sensor circuit. Inspect the sensor connectors and connections. Check the resistance of the exhaust temperature sensor. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P242A?
Yes, but get it checked soon
How much does it cost to fix P242A?
The estimated repair cost for P242A is $28–89. Actual cost depends on your vehicle, location, and labor rates.
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