P20E3
Exhaust Gas Temperature Sensor 1/3 Correlation Bank 1
P20E3 is an OBD-II diagnostic trouble code meaning: Exhaust Gas Temperature Sensor 1/3 Correlation Bank 1. Common causes: exhaust temperature sensor malfunction, 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
- Unstable engine idling
- Dips during acceleration
Causes
- Exhaust temperature sensor malfunction
- Open or short circuit in the sensor circuit
- Poor contact in the sensor connector
- ECU software error
- Mechanical damage to wiring
How to Fix
- Check the resistance of the exhaust temperature sensors
- Inspect the sensor circuit for damage
- Check connectors and contacts
- Reset the error and check if it returns
- Replace the faulty sensor if necessary
Related codes
Error P20E3 by Vehicle Brand
FAQ
What does the P20E3 code mean?
P20E3 is an OBD-II diagnostic trouble code that indicates: Exhaust Gas Temperature Sensor 1/3 Correlation Bank 1
What causes a P20E3 error code?
The most common causes of P20E3 include: Exhaust temperature sensor malfunction; Open or short circuit in the sensor circuit; Poor contact in the sensor connector; ECU software error.
How do I fix a P20E3 diagnostic trouble code?
To fix P20E3: Check the resistance of the exhaust temperature sensors. Inspect the sensor circuit for damage. Check connectors and contacts. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P20E3?
Yes, but get it checked soon
How much does it cost to fix P20E3?
The estimated repair cost for P20E3 is $28–89. Actual cost depends on your vehicle, location, and labor rates.
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