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Actuating Leak Detection Pump (ldp) -V144 Audi A8 D3

Testing & Diagnostics 1 illustration

Indicated on display

The change over valve in the LDP is activated for approximately 1 minute (clicks), unless the button pressed to switch to the next actuator.

Note. The clicking can be heard by listening in the area of the left rear wheel housing.

If valve is not actuated (does not click), see EVAPORATIVE EMISSIONS (EVAP) SYSTEM, SERVICING .

More articles — On Board Diagnostic (OBD) - 4.2L V8 (akb, Aux, Ays)