P2084

Exhaust Gas Temperature Sensor Circuit Range/Performance Bank 1 Sensor 2

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
Problems with the exhaust gas recirculation system

Causes

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

How to Fix

Check the continuity of the exhaust temperature sensor circuit
Inspect connectors and wires for damage
Test exhaust temperature sensor
Replace sensor if necessary
Check the operation of the exhaust gas recirculation system

Related codes

P2085 P2083 P2086