OBD Guide

P25F6

AIR System B

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$33–167 (est.)

Symptoms

  • Check Engine Light Is On
  • Deterioration of environmental indicators
  • Increased fuel consumption
  • Unstable engine operation at idle
  • Noise from the AIR pump

Causes

  • AIR pump malfunction
  • Open or short circuit in control circuit
  • Clogged air ducts
  • AIR system valve malfunction
  • Problems with the control relay

How to Fix

  1. Check the operation of the AIR pump
  2. Inspect the control circuit for damage
  3. Check the condition of the air channels and valves
  4. Test control relay
  5. Replace faulty components

Related codes

Error P25F6 by Vehicle Brand