P20E3

Exhaust Gas Temperature Sensor 1/3 Correlation Bank 1

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$28–89 (est.)

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

P20E4 P20E2 P20E1