OBD Guide

P1425

Intake Air Flow Valve Control Motor High Temperature

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$17–67 (est.)

Symptoms

  • Reduced engine power
  • Floating idle speed
  • Increased fuel consumption
  • Check Engine light comes on
  • The engine may go into emergency mode

Causes

  • Air flow control solenoid valve malfunction
  • Problems in the wiring harness or connectors
  • Short circuit in control circuit
  • Mechanical valve jamming
  • Poor contact or corrosion in electrical connections

How to Fix

  1. Check the resistance and functionality of the valve
  2. Inspect the wiring harness and connectors for damage.
  3. Check control circuit voltage
  4. Clean or replace faulty valve
  5. Reset the error code and check for its reappearance

Related codes

Error P1425 by Vehicle Brand