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Reload this Page Engine 850: B5234TR/2.3/20v/T5R: Loss in boost
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Loss in boost

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Old Feb 17th, 2008, 18:21   #11
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check the pipe that goes to the manifold inlet there is a small pipe that comes from the idle valve and joins the big inlet pipe found my small pipe was coming away from the bigger one yesterday

Tbh that was the first thing I checked as I had that all apart yesterday when I cleaned the idle control valve and throttle body everything I touched is still nice a secure as I left it when I finished.
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Old Feb 17th, 2008, 18:23   #12
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you're not gonna be this slow on track are you?


shouldn't have said that, now when you do see me it'll be like ayrton senna and prost running each other off the road lol
None of you are aloud to over take me with my lights on anyway!!!! LOL

I might be driving a VXR8 anyway so , BRING IT ON!!!!
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Old Feb 17th, 2008, 18:24   #13
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Just brought a new bcs myself from volvo they are 70 odd quid o can loan you one from my t5 if you like to test yours with
That would be great and a real help if your not too far from me, north Essex, because tbh I don't really fancy driving the car too far whilst its not right I would rather not cause any "drive on" damage as a result of this boosting issue.
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Old Feb 17th, 2008, 18:25   #14
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secure is good obviously but you wanna check for splits and cracks etc. also, probably wont be as simple as this but does the vacuum tree have all it's caps?

also, these pipes need changing at a bare minimum.

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Old Feb 17th, 2008, 18:25   #15
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I might be driving a VXR8 anyway so , BRING IT ON!!!!
On the track day you organised for the Volvo clan!! Sacriledge!
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Old Feb 17th, 2008, 18:26   #16
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None of you are aloud to over take me with my lights on anyway!!!! LOL

I might be driving a VXR8 anyway so , BRING IT ON!!!!
gulp!! LOL
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Old Feb 17th, 2008, 18:28   #17
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secure is good obviously but you wanna check for splits and cracks etc. also, probably wont be as simple as this but does the vacuum tree have all it's caps?

also, these pipes need changing at a bare minimum.

Cheers IRF, Yes I checked the caps are all still present and secure just now and all appear fine. While I was checking the hoses at the bcs I noticed that those vacuum hoses weren't in the greatest of shape and as a result those ones you have highlighted in the picture are the ones I plan to renew at the weekend. Is it possible I could have a blocked vacuum hose or bcs as a result of carbon build up somewhere?

Btw what is the part that hose 20, the red one, goes to at the turbo charger, is it the standard recirc valve?
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Last edited by AndysR; Feb 17th, 2008 at 18:30. Reason: Further question
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Old Feb 17th, 2008, 18:29   #18
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Pm me your address mate i'll send it and just give it back to me at marnhame the t5 is nowhere near finnished anyway
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Old Feb 17th, 2008, 18:34   #19
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Btw what is the part that hose 20, the red one, goes to at the turbo charger, is it the standard recirc valve?
i think the red hose comes to the front of the inlet manifold from memory. just in front/behind the radiator on the right side of the inlet manifold.
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Old Feb 17th, 2008, 18:34   #20
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Pm me your address mate i'll send it and just give it back to me at marnhame the t5 is nowhere near finnished anyway
pm'd
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