P242E

Exhaust Gas Temperature Sensor Circuit Intermittent/Erratic 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 Is On
Unstable engine operation at idle
Reduced engine power
Increased fuel consumption
Problems with the exhaust gas recirculation system

Causes

Open or short circuit in the sensor circuit
Exhaust temperature sensor malfunction
Poor contact in the sensor connector
Wiring harness damage
Problems with the engine ECU

How to Fix

Check the integrity of the sensor circuit
Inspect connectors and contacts for oxidation
Check the resistance of the exhaust temperature sensor
Replace sensor if necessary
Scan the system for other fault codes

Related codes

P242F P2430 P2431