P2AEC

Intake Air O2 Sensor Pumping Current Circuit Open Bank 2

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$33–89 (est.)

Symptoms

Check Engine light comes on
Increased fuel consumption
Reduced engine power
Unstable operation at idle
Possible misfires

Causes

Broken wires to the oxygen sensor
Wiring harness damage
Malfunction of the oxygen sensor itself
Poor contact in the sensor connector
Problems with the engine control unit

How to Fix

Check the integrity of the wiring to the sensor
Inspect the sensor connector for damage
Check sensor resistance
Replace the oxygen sensor if necessary
Check the operation of the engine control unit

Related codes

P2AEB P2AED P2AEE