Air leakage in the intake system, checking: Engagement

Fig 1: Fresh Air Hose From Mass Air Flow Sensor

Courtesy of VOLVO CARS OF NORTH AMERICA.

Remove the fresh air hose from the mass air flow (MAF) sensor.

Install tool 9995545 (1) and pressure regulator 9995544 on the fresh air intake. Tighten the hose clamp (2).

Remove the oil filler cap.