Rb26 Really High Idle!

[I am batman]

Ok guys, I was trying to fix an oil leak lastnight, I changed my turbo return hose for some nice speed flow fittings and a braided hose, unfortunately I still didn't get it....haha

But to the main problem, I took the car for a quick lap around the block to see if I fixed my oil leak and gave it a boot full as it only leaks at high rpm or when it's on boost, and after I backed off and put in the clutch to roll back up out the front the car suddenly was stuck revving at 4000rpm, I quickly popped the bonnet and checked it wasn't the throttle stuck open for some reason but it wasn't it, could the tps be stuck in a position telling the computer it's still open?

Car has a single throttle body, running a motec computer, not running a afm

It's never done this before and I didn't fiddle or disconnect anything while changing the oil return

Edited March 31, 2013 by I am batman

[portaz]

Does it have idle air control valve like stock ones? If it wasn't single throttle body it would be the seals only other possibility is u blew a intake manifold gasket? Get some brake cleaner and spray around the inlet manifold while running and see if idle changes.

[I am batman]

I don't think it has one anymore, I'll try start it now to see if its had a change of heart today and pull the plug on the tps see if it changes

I killed the power from the battery so hopefully its reset the computer if the motec had a fit

If not ill try find some brake cleaner and give it a spray

[I am batman]

Ok it's still doing it

I've found a possible 1/2 inch id blocked off port that the hose looks spilt, could that be the problem? All other vacuum hoses look ok

[GTSBoy]

If perchance you bollixed fitting the oil drain, it could be letting a lot of air into the crankcase through there.

[I am batman]

Definately found the problem guys

One bung on the vacuum manifold that your fuel rail bolts to was split and the other one had the ass end blew off so it was sucking air straight in

[I am batman]

Yep, she's all good now just replaced the bungs and she back to normal

Cheers for the suggestions guys, back to hunting the oil leak haha

[portaz]

Well done best of luck on the leak

[I am batman]

Haha was on a roll today, found the leak aswell

Must of been a return for the second turbo from factory, how it was plugged up was absolutely s*@t house and was spraying out, got it all fixed now tho