OBD Guide

P2AE4

Intake Air O2 Sensor Pumping Current Circuit Low Bank 1

P2AE4 is an OBD-II diagnostic trouble code meaning: Intake Air O2 Sensor Pumping Current Circuit Low Bank 1. Common causes: malfunction of the oxygen sensor in the intake tract, open or short circuit in the sensor circuit. Estimated repair cost: $33–89.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$33–89 (est.)

Symptoms

  • Unstable engine operation at idle
  • Increased fuel consumption
  • Reduced engine power
  • Check Engine Light Illuminates
  • Dips during acceleration

Causes

  • Malfunction of the oxygen sensor in the intake tract
  • Open or short circuit in the sensor circuit
  • Poor contact in the sensor connector
  • Problems with power or grounding of the circuit
  • Mechanical damage to the sensor

How to Fix

  1. Check the integrity of the sensor wiring and connectors
  2. Measure the resistance and voltage in the sensor circuit
  3. Clean sensor connector contacts
  4. Replace the oxygen sensor if necessary
  5. Check the operation of the system after repair

Related codes

Error P2AE4 by Vehicle Brand

FAQ

What does the P2AE4 code mean?

P2AE4 is an OBD-II diagnostic trouble code that indicates: Intake Air O2 Sensor Pumping Current Circuit Low Bank 1

What causes a P2AE4 error code?

The most common causes of P2AE4 include: Malfunction of the oxygen sensor in the intake tract; Open or short circuit in the sensor circuit; Poor contact in the sensor connector; Problems with power or grounding of the circuit.

How do I fix a P2AE4 diagnostic trouble code?

To fix P2AE4: Check the integrity of the sensor wiring and connectors. Measure the resistance and voltage in the sensor circuit. Clean sensor connector contacts. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2AE4?

Yes, but get it checked soon

How much does it cost to fix P2AE4?

The estimated repair cost for P2AE4 is $33–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat