ca18det...what is this part?!?!

[ca18det hatchy]

im trying to figure out why my car isnt running properly and i was in the process of trying to run down some vac leaks and i only found a couple of things...and this was one of them...im still kinda new to the whole nissan world so dont judge me...lol and while youre at it if you could...heres a vid of my car running at idle and some revs... any ideas on why its not running properly would be great...thanx guys...

Idle issues - YouTube (http://youtu.be/0ZndKT0_V6o)

[Sileighty_85]

Are you not running coolant in the system?

Looks like heater core Hose

[ca18det hatchy]

theres coolant in the system...lol...im not 100% sure but i was thinking possibly for an oil catch can maybe....but like i said...im not 100% sure...

[stephens14sr]

kinda looks like like the what would go to the charcoal canister on the sr then to the t on the valve cover. but im not sure. i dont know anything about ca's

[OneBadSX]

This is for a Solenoid to set the vaccuum/boost-pressure of the FPR to athmospheric for a set time. Most people here in Germany remove it.

In stock form there is a connection from intake manifold->behind the head->hot start solenoid->behind the head->FPR.

Just connect the FPR directly to the intake manifold.

[ca18det hatchy]

is this part not being connected something that would keep my car from running properly?

[SRTFerg]

I was going to say it looks like is goes to the egr. I have a hose similar to that on my ka.

[OneBadSX]

But this is no KA. The CA18 does not have a EGR, at least not in Europe and I can't imagine it would in Japan.

If you have your FPR connected directly to your intake manifold (should be a small 90° hose barb), you can completly ignore this tube. You could even delete it.

[Lumos]

I've got the same thing on my car unconnected and it runs fine, I think it's one of the many vacuum lines you can eliminate. I'm not sure if you've seen this site but it's got a lot of good info Driftopia Tech Blog » CA18DET Info (http://driftopia.com/blog/ca18det-info/)

[boyou2]

I think your engine is a JDM version.

the big one goes to the heater unit/blower(JDM/RHD have connection at the opposite of LHD version), and the little on goes to the HSS(hot start solenoid), to controle fuel pressure when your engine's hot(it raise fuel pressure for a few seconds, to help starting the engine)