Check For Air Leaks In The Intake System: Connecting

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

Install tool 9995545 with pressure regulator 9995544 on fresh air hose and tighten hose clamp.

Use hose clip to seal crankcase ventilation hose.

Remove oil filler cap.

Remove the lower hose from the canister purge (CP) valve.