P246E

Exhaust Gas Temperature Sensor Circuit Bank 1 Sensor 4

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
Rough engine idling
Exhaust system overheating (in rare cases)

Causes

EGT temperature sensor malfunction
Open or short circuit in the sensor circuit
Poor contact in the sensor connector
Corroded contacts or damaged wiring
Engine control unit malfunction

How to Fix

Check the integrity of the wiring and connectors of the sensor
Measure the resistance of the EGT temperature sensor
Check the voltage in the sensor circuit
Replace faulty EGT temperature sensor
Clean or replace oxidized contacts

Related codes

P246D P246F P2470