P20E2
Exhaust Gas Temperature Sensor 1/2 Correlation Bank 1
P20E2 is an OBD-II diagnostic trouble code meaning: Exhaust Gas Temperature Sensor 1/2 Correlation Bank 1. Common causes: malfunction of one of the exhaust temperature sensors, 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
- Problems with diesel particulate filter regeneration (if installed)
- Incorrect operation of the engine control system
Causes
- Malfunction of one of the exhaust temperature sensors
- Open or short circuit in the sensor circuit
- Poor contact in sensor connectors
- Wiring harness damage
- Problems with the engine control unit
How to Fix
- Check the resistance and functionality of the exhaust temperature sensors
- Inspect wiring and connectors for damage
- Check the integrity of the sensor circuit
- Replace the faulty sensor if necessary
- Reset the error and check if it returns
Related codes
Error P20E2 by Vehicle Brand
FAQ
What does the P20E2 code mean?
P20E2 is an OBD-II diagnostic trouble code that indicates: Exhaust Gas Temperature Sensor 1/2 Correlation Bank 1
What causes a P20E2 error code?
The most common causes of P20E2 include: Malfunction of one of the exhaust temperature sensors; Open or short circuit in the sensor circuit; Poor contact in sensor connectors; Wiring harness damage.
How do I fix a P20E2 diagnostic trouble code?
To fix P20E2: Check the resistance and functionality of the exhaust temperature sensors. Inspect wiring and connectors for damage. Check the integrity of the sensor circuit. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P20E2?
Yes, but get it checked soon
How much does it cost to fix P20E2?
The estimated repair cost for P20E2 is $28–89. Actual cost depends on your vehicle, location, and labor rates.
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