?Service Action: Replace Pressure Switch for Tank Leakage Diagnosis Module (NVLD). Contamination of the poppet valve inside the pressure switch for the tank leakage diagnosis module (NVLD = Natural Vacuum Leak Detection) can lead to the improper detection of an evaporative system leak. The Service Engine Soon lamp can be illuminated, and faults related to evaporative system leakage will be stored in the DME fault memory.
