P2AE9

Intake Air O2 Sensor Pumping Current Trim Circuit Open Bank 2

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$33–89 (est.)

Symptoms

Check Engine light comes on
Increased fuel consumption
Unstable engine idling
Reduced engine power
Dips during acceleration

Causes

Broken wires in the sensor harness
Poor contact in the sensor connector
Malfunction of the oxygen sensor itself
Damage to wire insulation
Problems with the engine control unit

How to Fix

Check the integrity of the sensor wiring harness
Inspect connectors for corrosion and damage
Test sensor circuit resistance
Check the functionality of the oxygen sensor
If necessary, replace the sensor or repair the wiring

Related codes

P2AEA P2AEB P2AEC