OBD Guide

P2442

AIR System Switching Valve Stuck Open Bank 2

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$50–133 (est.)

Symptoms

  • Check Engine light comes on
  • Increased fuel consumption
  • Unstable engine operation at idle
  • Reduced engine power
  • Unpleasant smell from the exhaust pipe

Causes

  • Mechanical part of AIR valve jammed
  • Valve contaminated or corroded
  • Control solenoid valve malfunction
  • Problems with wiring or connectors
  • Engine control unit failure

How to Fix

  1. Check the integrity of the wiring harness to the AIR valve
  2. Test the control solenoid valve
  3. Replacing a stuck AIR valve
  4. Cleaning the secondary air system from carbon deposits
  5. Checking the functionality of the secondary air pump

Related codes

Error P2442 by Vehicle Brand