Ford V10 PCV system issue
I have something strange going on with the PCV system on the 6.8L V10 in my F-53 chassis motorhome. On my rig, the right valve cover is connected to the intake tract just forward of the throttle bo...
Forum Discussion
Remember under heavy load or wide open throttle the pcv dose just about nothing. The other hose most likely have more vacuum at wide open throttle. Back a closed throttle pvc has more vacuum. The other hose will never have the vacuum that the pvc hose has. So That kinda normal (oily residue inside). You can not remove that other hose, as the mass air flow sensor is calculated with that hose on there and hooked to the vale cover.. Spark knock from time to time is also normal.
