P2AE1

Intake Air O2 Sensor Pumping Current Trim Circuit Low Bank 1

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$33–89 (est.)

Symptoms

Increased fuel consumption
Unstable engine idling
Reduced engine power
Check Engine Light Illuminates
Possible misfires

Causes

Malfunction of the oxygen sensor in the intake tract
Open or short circuit in the sensor circuit
Poor contact in sensor connectors
Problems with the engine control unit
Sensor contamination or mechanical damage

How to Fix

Check the condition of the oxygen sensor in the intake tract
Check the integrity of the wiring harness and connectors
Measure the resistance and voltage in the sensor circuit
If necessary, replace the oxygen sensor
Reset the error code and check the system operation

Related codes

P2AE0 P2AE2 P2AE3