P1442
Stuck Closed In Secondary Air Injection Vacuum Switching Valve Bank 1
Severity
⚠️ MediumCan you drive?
Yes, but get it checked soon
Approx. repair cost
$17–56 (est.)
Symptoms
- Check Engine Light Is On
- Increased level of harmful emissions
- Problems with catalytic converter efficiency
- Noises from the secondary air system
- Deterioration of engine performance when cold
Causes
- Vacuum switching valve stuck
- Open or short circuit in valve control circuit
- Problems with vacuum hoses
- Solenoid valve malfunction
- Mechanical damage to the valve
How to Fix
- Check vacuum hoses for damage and leaks
- Check valve control circuit
- Check the functionality of the solenoid valve
- Replace vacuum switching valve if necessary
- Clean or replace secondary air system components