P242C

Exhaust Gas Temperature Sensor Circuit Low Bank 1 Sensor 3

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 operation at idle

Causes

Exhaust temperature sensor malfunction
Open or short circuit in the sensor circuit
Poor contact in the sensor connector
Problems with the engine control unit
Corroded contacts or damaged wiring

How to Fix

Check the integrity of the sensor wiring and connectors
Check the resistance of the exhaust temperature sensor
Check the voltage in the sensor circuit
Replace exhaust temperature sensor if necessary
Reset the error and check if it returns

Related codes

P242A P242B P242D