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protraxduner
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Drivers side oil seperator/catch can?
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The Chairman
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It looks like all the other temp sensors under the hood. Might be where they pull the IAT as there is no other temp sensor in the air tract.
Will have to check the manuals.
Edit: It’s called the Crankcase Pressure Sensor. I’ll post the manual extract in a bit.
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protraxduner
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Wouldn't the presence of a pressure sensor lead you to believe there could be enough pressure to cause oil vapor to be introduced into intake? Idk just thinking outloud
The Chairman
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Attached what the maintenance manual has. Requires another document [Powertrain Control/Emissions Diagnosis (PC/ED) manual] to describe how it works. I don't have that document.
Wonder if it works like an on-off switch? e.g. When it senses pressure above ambient, the PCM takes deliberate action to protect the engine....?
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protraxduner
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Yes it would be interesting to know what it does with this information....and I would now question adding a catch can in the mix not knowing what that would do to the reading and how it would react
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Snoopy49
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The PCV system on some vehicles will include a crankcase pressure sensor to detect a disconnection of the fresh air hose. A disconnection of the fresh air hose would allow the discharge of crankcase vapor into the atmosphere while the engine was under boost. The fresh air hose connects the intake air system to the valve cover, with the crankcase pressure sensor mounted in the fresh air hose. The PCV monitor will detect a fresh air hose disconnection at the intake air system or the valve cover, by monitoring crankcase pressure sensor changes during engine cranking, and driving with higher intake airflow.
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protraxduner
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So is it purely an emissions thing?
The Chairman
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I forgot to mention that there is no PCV valve in Handling Pack or CFTP cars after the Passenger Side Oil Separator is installed. The instructions include removal & discarding of the PCV. It gets mangled in the removal process anyway. They provide a new tube part with no internals.
huskeee
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Yeah I saw the instructions for it but I havent seen it in person. I assumed that the top barb on the separator was the new PCV valve and not a hollow barb. Is that not correct or is the PCV valve permanently deleted?
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protraxduner
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For those that discount the need for a drivers side catch can can you explain why? Basically i am confused on a few points. 1. Why would Ford Performance make a drivers side one if not needed? And 2. Why would the drivers side be different than the passenger side in terms of oil vapor? 3. Why would the predator engine be any different if not more susceptible to oil vapor? See video here ==> I mean that guy has what i call a LOT of oil (and likely condensation) in both catch cans. My gut tells me there isn't a drivers side catch can because of 2 reasons....1. the sensor ...and 2. the normal location is now taken up by the intercooler coolant reservoir. So this requires some R&D to figure out a good location and affects on sensor. Just my opinion.
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Skwibbs
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protraxduner
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I saw that coming a MILE away
....and may just be right....but seeing oil in drivers side container in that video has me thinking
Skwibbs
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I know, you make valid points.I saw that coming a MILE away
I just HAD to...
The answer still stands I suppose if the goal of not putting them on the cars from factory is to purposefully degrade the engine over time so you buy a new car like they do with phones and pretty much any other new tech nowadays.
If you're just driving on the street my gut tells me a passenger side is all you need though.
The Chairman
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There is what appears to be a one-way check valve at the exit of the oil separator (air flows out easily, but zero if you blow back into it). (I have a spare separator on my shelf)
Can't tell if its performing as a PCV. Not sure why they would remove the original PVC to add one at the other end of the separator. Maybe that keeps the separator at the same pressure as the crankcase (so it drains) but will prevent a backfire into the separator?
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The Chairman
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WOW - and he hasn't tracked his car!!
I know several folks that have installed the Driver's Side Can and have zero oil in it (after many track events). I have tracked my GT350 many times per year and the driver side lines aren't even shiny. The Pax Side might have 1/4" of oil in it after a two day event.
I will bet this guy has one of cars that burns a lot of oil....
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