Code result
P2448
AIR System High Air Flow Bank 1
Moderate severity
What it means
The secondary air injection system on bank 1 delivers more flow than calibrated when the pump is commanded on - typically a stuck-open switching valve allowing free flow.
Is it safe to drive?
Use caution
The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical.
Most likely causes
AIR switching valve stuck open
highOne of the most commonly reported causes for this code — check this first.
Related help
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