P2AEA

Intake Air O2 Sensor Pumping Current Trim Circuit Low 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
Possible misfires

Causes

Malfunction of the oxygen sensor in the intake manifold Bank 2
Open or short circuit in the sensor circuit
Poor contact in the sensor connector
Problems with power or grounding of the circuit
Malfunction of the engine control unit (rare)

How to Fix

Check the condition of the oxygen sensor and its connector
Check the integrity of wiring and connections
Measure the resistance and voltage in the sensor circuit
If necessary, replace the oxygen sensor
Check and, if necessary, reflash the engine control unit

Related codes

P2AEB P2AEC P2AED