P2471
Exhaust Gas Temperature Sensor Circuit High Bank 1 Sensor 4
P2471 is an OBD-II diagnostic trouble code meaning: Exhaust Gas Temperature Sensor Circuit High Bank 1 Sensor 4. Common causes: exhaust temperature sensor malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $28–89.
Symptoms
- Check Engine Light Is On
- Reduced engine power
- Increased fuel consumption
- Unstable engine idling
- Possible overheating of exhaust system components
Causes
- Exhaust temperature sensor malfunction
- Open or short circuit in the sensor circuit
- Poor contact in the sensor connector
- Wiring harness damage
- Malfunction of the engine control unit (rare)
How to Fix
- Check the integrity of the wiring and connectors of the sensor
- Measure the resistance of the exhaust temperature sensor
- Check reference voltage and sensor signal
- Replace the faulty exhaust temperature sensor if necessary
- Reset the error code and check for its reappearance
Related codes
Error P2471 by Vehicle Brand
FAQ
What does the P2471 code mean?
P2471 is an OBD-II diagnostic trouble code that indicates: Exhaust Gas Temperature Sensor Circuit High Bank 1 Sensor 4
What causes a P2471 error code?
The most common causes of P2471 include: Exhaust temperature sensor malfunction; Open or short circuit in the sensor circuit; Poor contact in the sensor connector; Wiring harness damage.
How do I fix a P2471 diagnostic trouble code?
To fix P2471: Check the integrity of the wiring and connectors of the sensor. Measure the resistance of the exhaust temperature sensor. Check reference voltage and sensor signal. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P2471?
Yes, but get it checked soon
How much does it cost to fix P2471?
The estimated repair cost for P2471 is $28–89. Actual cost depends on your vehicle, location, and labor rates.
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