P1416
Port Air Circuit Malfunction/AIR System Bank 2
Severity
⚠️ MediumCan you drive?
Yes, but get it checked soon
Approx. repair cost
$17–89 (est.)
Symptoms
- Check Engine Light Is On
- Deterioration of vehicle dynamics
- Increased fuel consumption
- Unstable engine operation at idle
- Increase in harmful emissions
Causes
- Secondary air system valve malfunction
- Open or short circuit in control circuit
- Problems with the AIR system relay
- Clogged air ducts
- Air pressure sensor malfunction
How to Fix
- Check the integrity of the wiring harness to the AIR valve
- Check the functionality of the secondary air system valve
- Check the condition of the AIR system relay
- Clean the secondary air supply ducts
- Check air pressure sensor