I'm planning to get a oil catch can..(if I can find some space..)
but.. when I try to check my pcv valve ( to shake..), I realized something is different..I can't pull it out.. like other pcv valves..
is it upgrade with different part number?


or try pic1
oh.. one more question..
what's this huge line connected to intake mani?
it's connected from intake to .. .. somewhere under ..
thanks.


pic2

 

I think it's just a different style of PCV valve.

That big hose takes air to the air pump that's in the front left bumper cavity. It's part of your secondary air injection system (emissions).

 

The valve covers/PCV's changed in 04 to a screw in metal PCV. Function is the same.

 

Air pump? More detail plz~

 

It's part of a fairly complicated system that reduces bad emissions after a cold start. For the first few minutes (while the engine is warming up), the pump will push fresh air into the exhaust manifold to help clean up the unburned hydrocarbons. This is one reason why the S2000 is considered a Low Emissions Vehicle. Once the car warms up, the pump no longer functions. Without it, this car would most likely fail emissions testing.

 

FYI, for your track junkies, I'd thought the 04's PCV is less likely to cause you to be Super Smokey, but that's not the case still need a catch can