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[ScottieMV6]

It seems that the multi rams on my car are aslo not working. With car running short hard blip of throttle and no movement on either.

Any way to fix this or is it replacement required?

[unlucky mark mv6]

Would imagine the vacuum soleniod valve or electrical switch has gone mate,would have said you can buy em seperate.

[Jimbob]

there is a layout of vacuum pipes in the maint section.

May be worth checking what you have against this 

[ScottieMV6]

Pretty sure I have the vacuum pipes connected correctly as I followed the diagram last time I took the plenum etc. off. I will check again.

Where is the vacuum solenoid valve and switch located?

[unlucky mark mv6]

there is a layout of vacuum pipes in the maint section.

May be worth checking what you have against this 

Yes mate,forgot to mention the other obvious thing what jim said,the vac lines.

[andyc]

Have you got a vacum at the end of the pipes, could be the vac res' gone.

Check all connectors as we have these sort of problems on the Senator/Carlton & Lotus Carlton engines

Andy 

[ScottieMV6]

Thanks for the advice guys. I will check all this on Thursday and see if I can get somewhere. 

[LFF64]

There is a non return valve in the vaccum tank that fails to get around this you can buy  a non return valve as used on fish tanks and insert it in the pipes not sure which one but it does work . I am sure one of the more knowledgeable members can tell you where it goes 

[Darth Loo-knee]

Don't forget the front multi ram moves around 4000 rpm, sometimes if you blip the throttle at that sort of revs the rear will also activate

[feeutfo]

ime its a case of following the vac pipes and examining closely for holes/leaks. Paying special attention to ones under the scuttle area at the back of the engine bay. Also quite common for the right angle elbows to break or crack on the vac tank on the back of the air intakes.
If you get a fading hiss for a second or 2 when the engine is turned off, def a clue.

If you still have trouble they can be activated remotely via tech 2 which should make diagnosis easier.