The PCV valve is part of the engine’s ventilation system. Its job is to route blow-by gases, a mix of unburned fuel vapors, moisture, and oil mist from the crankcase, back into the intake to be burned ...
Motoring USA on MSN
Why do I smell gas in my car when the AC is on?
Smelling gas when the AC is on usually means raw fuel or exhaust fumes are being drawn into the cabin via the ventilation ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results