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Why is the PCV (Engine ventilation) on Bank1 different to Bank2

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Old 07-17-2012, 12:11 PM
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Originally Posted by fokker
First of all.
Why become the Right (DOD) bank more Lean, when the right Ventilation line is disconnected.
although Air goes to the Manifold, so to both Banks.
Ar there vortexes, that the Right Bank gets fortuitous more Air than the left one?
I saw it on the Elm Scan.
Thats crazy.

I know for what teh crankcase ventalation is for.
But it could be much more simple, than with this PCV.

Simple, connect both Banks before the throttle. Thats it.



right but, the Air and Gases in the Crank case comes from the Blow by (Gases went between Cylinder and Pisten into the Cranccase, and this, Gases must ventilated out of the Engine, (because Overpressure)
how this is done, is irrelevant.
But it is no need to put Fresh Air into the Crank case.
If you simply have vacuum drawing air/gases out of the crakncase, the crankcase will be in vacuum (negative pressure). This would not be good. Therefore when air and gases are drawn out of the crankcase via the PCV valve, it must be allowed to draw in fresh air to replace it and maintain a normal operating crankcase pressure.
Old 07-18-2012, 05:52 AM
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ok, it's how it is.
accepted



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