P2441

AIR System Switching Valve Stuck Closed Bank 1

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$17–56 (est.)

Symptoms

Increased level of harmful emissions
Check Engine light comes on
Deterioration of engine performance when cold
Possible misfires
Reduced catalytic converter efficiency

Causes

Mechanical jamming of the AIR valve
Solenoid valve malfunction
Open or short circuit in control circuit
Problems with vacuum lines
Valve is dirty or damaged

How to Fix

Check the mechanical condition of the AIR valve
Check the operation of the solenoid valve
Check the integrity of the control circuit and connections
Check vacuum lines for leaks
If necessary, replace the AIR valve

Related codes

P2440 P2442 P2443