Leak Detection Pump: Description and Operation

NATURAL VACUUM LEAK DETECTION (NVLD) If Equipped

Fig.3 NVLD Assembly:

The Natural Vacuum Leak Detection (NVLD) system is mounted on top of the EVAP canister that is mounted on the fuel tank. See Computers and Control System/Description and Operation/Other Systems Controlled.

Also see, Computer and Control System/Testing and Inspection/Monitors, Trip and/or Drive Cycles/Monitored Systems/Natural Vacuum Leak Detection (NVLD), if equipped.