P25F7

AIR System B Incorrect Flow Detected

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$17–89 (est.)

Symptoms

Check Engine Light Is On
Increased level of harmful emissions
Slight deterioration in vehicle dynamics
Possible noise from the AIR system

Causes

Clogged air channels of the AIR system
AIR B valve malfunction
Leaks in vacuum lines
Problems with wiring or connectors
AIR pump malfunction (if equipped)

How to Fix

Check air ducts for blockages
Check the operation of the AIR B valve
Inspect vacuum lines for leaks
Check the integrity of the wiring harness and connectors
Check AIR system fuses and relays

Related codes

P25F6 P25F8 P0410