P0547

Exhaust Gas Temperature Sensor Circuit Bank 2 Sensor 1

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

Check Engine light comes on
Reduced engine power
Increased fuel consumption
Unstable engine operation at idle

Causes

Open or short circuit in the EGT sensor circuit
Exhaust gas temperature sensor malfunction
Poor contact or corrosion in the sensor connector
Engine control unit (ECU) malfunction

How to Fix

Check the integrity of the EGT sensor wiring harness
Check the resistance and voltage of the EGT sensor
Clean or replace the sensor connector if necessary
Replace the exhaust gas temperature sensor if it is faulty
Check and replace ECU if necessary

Related codes

P0546 P0548 P0549