AFC idle issue

Yeah, take that off, and look at your valve cover, then find the middle of your valve cover with your finger, then keep your finger on it and go back toward your intake manifold, and at the back/center of your valve cover you will find your pcv valve. It has the vacuum hose attached to it.

So underneath the MazdaSpeed cover?
 

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Yeah, take that off, and look at your valve cover, then find the middle of your valve cover with your finger, then keep your finger on it and go back toward your intake manifold, and at the back/center of your valve cover you will find your pcv valve. It has the vacuum hose attached to it.

Thanks the picture :)!

Some guy in a previous post was saying that he found the PCV a little, like 2mm, out of the gourmet, and that the gourmet was a little loose. The rubber seal for the PCV is very dried and so not securing the PCV valve on the valve cover well. He said he just pushed it back in there.

So that means that the PCV valve connection with the valve cover is only sealed by that gourmet?

Thanks
 
Yeah, it sort of wiggles if you want it to, not as "in there" as I would think it should be, but that's just how it fits I guess.

Thanks the picture :)!

Some guy in a previous post was saying that he found the PCV a little, like 2mm, out of the gourmet, and that the gourmet was a little loose. The rubber seal for the PCV is very dried and so not securing the PCV valve on the valve cover well. He said he just pushed it back in there.

So that means that the PCV valve connection with the valve cover is only sealed by that gourmet?

Thanks
 
I checked mine, it is very,very loose and the rubber ring looks cracked. I wonder if that is causing a vacuum leak.
 
Is it that important for the PCV valve to be more sealed
I don't see any difference in rpm when I remove it.
 
I dono but I replaced my PVC valve with the Milenia (sp?) PVC, and with the oil catch can, and it seems that the idle is off sometimes, it's random, and I am pretty sure it is the PVC valve, because it doesn't fit as well as the stock one, or just because the oil catch can lines are kinda tugging at it a little, but I can't think of anything else it could be, all the other vac lines are pretty good, also the idle AFR is about 15.5 to sometimes "--" on the WB but that is when the idling is pretty bad, and other times it's ok and actually around 14.7 to 15 or so, (also would the 626 mani make it a little higher, as long as the idling is ok? or what)
 
Hello, I am still looking for a solution to this problem. It idles bad (wants to die) for about 30 seconds, then corrects itself and runs normal 700 rpm idle. This only started after the AFC install and I have has it installed for 1 month now. It idled beautifully before. I am just discouraged because it makes the car run so much better in general, but if it cannot idle correctly at start-up, whats the point? What could be causing the AFC to do this at startup?
 
Hello, I am still looking for a solution to this problem. It idles bad (wants to die) for about 30 seconds, then corrects itself and runs normal 700 rpm idle. This only started after the AFC install and I have has it installed for 1 month now. It idled beautifully before. I am just discouraged because it makes the car run so much better in general, but if it cannot idle correctly at start-up, whats the point? What could be causing the AFC to do this at startup?

I noticed 2 things, one was that my oil catch can tube was collapsed and leaking, so first check everywhere for vac leaks, even small ones that don't show up on your boost gauge (hope you have one), and then I would just check anything out of the ordinary under the hood, I noticed that when I uploaded the map again it ran better, so just make sure all your settings are correct and upload the stock map, should make it run better for the most part, if not than there is a good chance you either didn't connect your wires completely well, or if you did, that there is something else up with it like your settings, map that your loading or vac lines going to the system, check all that.

what are your mods, might help with figuring that out
 
I noticed 2 things, one was that my oil catch can tube was collapsed and leaking, so first check everywhere for vac leaks, even small ones that don't show up on your boost gauge (hope you have one), and then I would just check anything out of the ordinary under the hood, I noticed that when I uploaded the map again it ran better, so just make sure all your settings are correct and upload the stock map, should make it run better for the most part, if not than there is a good chance you either didn't connect your wires completely well, or if you did, that there is something else up with it like your settings, map that your loading or vac lines going to the system, check all that.

what are your mods, might help with figuring that out

Corksport Exhaust, Injen CAI, and Turbohoses SMIC & intercooler pipes at stock boost. I will try to load the map again, but I know I connected everything correctly (soldered wires). The vacuume line I ran for the unit is long since I ran it through the drivers side firewall hole and t'd it into the intake mani. Would that make a difference?
 

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