P2470

Exhaust Gas Temperature Sensor Circuit Low Bank 1 Sensor 4

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
Possible transition to emergency mode

Causes

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

How to Fix

Check the integrity of the sensor circuit (resistance, short circuit)
Inspect connectors and connections for corrosion or damage
Check the functionality of the exhaust temperature sensor
Replace sensor if necessary
If necessary, replace damaged wires or connectors

Related codes

P2469 P2471 P0546