P242B
Exhaust Gas Temperature Sensor Circuit Range/Performance Bank 1 Sensor 3
P242B is an OBD-II diagnostic trouble code meaning: Exhaust Gas Temperature Sensor Circuit Range/Performance Bank 1 Sensor 3. Common causes: exhaust gas temperature sensor malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $17–56.
Symptoms
- Check Engine light comes on
- Reduced engine power
- Increased fuel consumption
- Unstable engine idling
- Increased level of harmful emissions
Causes
- Exhaust gas temperature sensor malfunction
- Open or short circuit in the sensor circuit
- Poor contact in the sensor connector
- Corroded contacts or damaged wiring harness
- Engine control unit (ECU) malfunction
How to Fix
- Check the resistance of the exhaust gas temperature sensor
- Check the integrity of the sensor circuit
- Inspect connectors and contacts for corrosion or damage
- If necessary, replace the exhaust gas temperature sensor
- Check and replace wiring harness if necessary
Related codes
Error P242B by Vehicle Brand
FAQ
What does the P242B code mean?
P242B is an OBD-II diagnostic trouble code that indicates: Exhaust Gas Temperature Sensor Circuit Range/Performance Bank 1 Sensor 3
What causes a P242B error code?
The most common causes of P242B include: Exhaust gas temperature sensor malfunction; Open or short circuit in the sensor circuit; Poor contact in the sensor connector; Corroded contacts or damaged wiring harness.
How do I fix a P242B diagnostic trouble code?
To fix P242B: Check the resistance of the exhaust gas temperature sensor. Check the integrity of the sensor circuit. Inspect connectors and contacts for corrosion or damage. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P242B?
Yes, but get it checked soon
How much does it cost to fix P242B?
The estimated repair cost for P242B is $17–56. Actual cost depends on your vehicle, location, and labor rates.
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