P2AE5

Intake Air O2 Sensor Pumping Current Circuit High Bank 1

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$33–89 (est.)

Symptoms

Increased fuel consumption
Reduced engine power
Unstable engine idling
Check engine light comes on

Causes

Oxygen sensor malfunction
Damage to the sensor wiring harness
Short circuit in the sensor circuit
Problems with the engine control unit
Oxygen sensor dirty

How to Fix

Check the condition of the oxygen sensor
Inspect the wiring harness for damage
Check sensor circuit for short circuit
Test the engine control unit
If necessary, replace the oxygen sensor

Related codes

P2AE6 P2AE4 P2AE7