What does the vacuum line that connects to the air intake do? Is it the oil-breather tube that allows heated oil fumes to escape from the engine crankcase and feeds those gasses into the intake for combustion with air and fuel?
My Fleet:
'15 Ford Fusion AWD Titanium 2.0 Tutbo
'14 Lincoln MXZ AWD 2.0 Turbo
'14 Nissan Pathfinder AWD SL
'05 Pontiac Vibe AWD