P2281

Air Leak Between MAF and Throttle Body

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$6–56 (est.)

Symptoms

Unstable engine idling
Increased fuel consumption
Reduced engine power
Check Engine Light Is On
Possible misfires

Causes

Crack or damage to the air duct after the mass air flow sensor
Loose or damaged connection clamps
Intake manifold leaking
Damage to O-rings or gaskets
Disconnected or damaged vacuum hose

How to Fix

Visual inspection of the duct and connections for damage
Checking the tightness of all clamps
Intake system leak test (smoke test)
Replacing damaged duct elements or seals
Cleaning and checking the condition of the mass air flow sensor

Related codes

P0171 P0172 P2279