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Home >> Audi >> 2016 >> S5 Prestige, 2D Convertible >> Repair and Diagnosis >> External Pages >> Different car >> Section 8 (Fuel Supply System) >> 20 - Fuel supply system >> EVAP canister/leak detection system, servicing (Front and all wheel drive vehicles) >> EVAP system, checking using tester KLI 9210 >> Checking Leak Detection Pump (LDP) V144 for internal leaks

Checking Leak Detection Pump (LDP) V144 for internal leaks

WARNING: This page does not describe the selected car, but rather 15 other vehicles, including the 2008 Audi S4, 2008 Audi RS 4, 2008 Audi A4, 2007 Audi S4, and 2007 Audi RS 4. However, it is still accessible from the selected car via links, so may be relevant.

Basically, in the following procedure the EVAP system will be filled with smoke, the engine started and the LDP activated using the VAS 5051 or VAS 5052. With the LDP activated, and after clearing initial smoke away from the LDP area using compressed air, the system is then filled with smoke again and rechecked for smoke at the LDP filter.

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