Broken! What Is It?

[Galois]

Hey guys,

I was looking around under the bonnet when i touched this piece very lightly and the lead in the middle broke off. It seemed to be quite corroded and fragile. Any ideas what this thing does? The leads go for miles around the engine bay and seem to end up down near the right front suspension.

Thank you!!

I hope the pics are good enough

[Galois]

So a line goes from it to the manifold and another goes, via some container, to the fuel tank. It's apparently a solenoid which hs something to do with controlling the air-fuel mixture, except now instead of sucking in more petrol, its sucking in more air.

Didn't notice any difference on a drive, but it was corroded and may have been leaking all along.

Where should i look to find a replacement piece?

[QWK32]

i have the same solenoid on my stagea, being a NEO engine too. i've followed the lines and tried to figure out what it does, and from what i can tell its the carbon canister purge control valve. i think it does the same job as the vacuum controlled purge valves on the older model skyline carbon canisters. if you follow the line you will see it goes to the carbon canister (small black cylinder nest to the airbox/pod).

[Galois]

interesting, yeah its the same on mine. so what does this solenoid not working mean for the car?

[QWK32]

i'm not 100% on the operation of a carbon canister. but i know it has something to do with fuel vapour building up pressure in the fuel tank, and when your car is running the build up pressure goes through the canister and then released back into the inlet manifold when the engine is pulling vacuum. i guess by not having an operation carbon canister, you will get a build up of pressure in the fuel tank. again i'm not 100% on how it works, i think you'll find there are people that don't run them and don't have a problem.

edit: check this webpage out for information LINK

if your keen to get it replaced just remove it from the engine, its not doing anything at the moment anyway. then take it to an import wreckers and see if they have one. you should be able to get one through nissan but it will be cheaper trying the wreckers first

Edited March 17, 2010 by QWK32

[Galois]

Thanks for the link mate, very interesting. Just wondering how much I'd expect to pay for this part? And what consequences I'm facing without the solenoid working?

Also, just for interest, how much would i expect to pay for the cold air intake snorkel thing that attaches to the stock airbox?

thanks for any info

[Galois]

could a leaking line to or from the carbon canister affect the displayed boost pressure on the stock gauge?

cheers

[mad082]

it shouldn't unless they share the same line.

[Galois]

hiya all,

so after learning what a carbon canister is, the control valve dropped way down on my list as it is expensive and non-crucial.

should I seal off the lines with a bit of high-temp silicon or something?