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Secondary Air System, Checking For Leaks



Secondary air system, checking for leaks

Function test

- Select the measuring value "Test-ID 03: Secondary Air Injection (AIR) system" and check whether the specified values are being reached.

- Check specified values at idle.






If the specified values are not reached:

Checking Proper Seal

- Check the connecting lines and hoses between Secondary Air Injection (AIR) Pump Motor and combination valves for proper seal.

- Repeat function test.

- Check hoses and hose connections for secure seating.

- Repeat function test.

If malfunction is no longer present:

- Erase DTC memory of Engine Control Module (ECM).

- Generate readiness code.