OBD Guide

P2AE2

Intake Air O2 Sensor Pumping Current Trim Circuit High Bank 1

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$28–89 (est.)

Symptoms

  • Increased fuel consumption
  • Reduced engine power
  • Unstable idling
  • Misfires
  • Check Engine light comes on

Causes

  • Malfunction of the oxygen sensor in the intake tract
  • Open or short circuit in wiring harness
  • Poor contact in sensor connectors
  • Engine control module malfunction
  • Sensor contamination or mechanical damage

How to Fix

  1. Check the integrity of the sensor wiring harness
  2. Clean sensor connector contacts
  3. Check the resistance of the oxygen sensor
  4. Replace the oxygen sensor if necessary
  5. Test the operation of the system after repair

Related codes

Error P2AE2 by Vehicle Brand