P2081

Exhaust Gas Temperature Sensor Circuit Intermittent Bank 1 Sensor 1

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
Power reduction
Increased fuel consumption
Mixture errors (lean/rich)

Causes

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

How to Fix

Check the integrity of wiring and connectors
Measure sensor resistance
Check reference voltage and signal
Replace exhaust temperature sensor if necessary
Reset the error and check the system

Related codes

P2080 P2082 P2084