Actuating Leak Detection Pump (LDP) -V144- of tank ventilation system

WARNING: This page is about a different car, the 2003 Audi S6 and 2002 Audi S6. However, it is still accessible from the selected car via links, so may be relevant.

Press --> key.

Indicated on display

Fig 1: VAG 1551 Scan Tool Display - Actuating Leak Detection Pump (LDP) -V144-

Courtesy of AUDI OF AMERICA, INC.

Change-over valve in LDP is activated for approximately 1 minute (clicks), unless --> button is pressed first to switch to next actuator.

NOTE: The click can be heard by listening near the left rear wheelhousing.

If the valve is not actuated (does not click):

See LEAK DETECTION PUMP (LDP) -V144-, CHECKING .