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Thread: No Boost

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    hd9584's Avatar
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    No Boost

    Hi guys, Driving along motorway today and all is well until I came off the slip road and stopped. Pulled away from a junction and had no boost at all. The guage is not moving in to the white section at all, I checked to see if any pipes had come off but all looked ok. MBC still seems ok there is no smoke or misfiring just no boost... Anyone got any ideas or had same problem??
    855 T5 Cd, Grey,polybush mbc valve. Loads of miles loads of dash warning lights on!!

    855 R Manual In Grey, polybush, strut brace and hideous colour wheels!!!

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    Was going to say hose come off but you had a look,could still be somthing off or with a hole in it.

    http://www.terrabear-newfoundlands.co.uk/
    You always come back to what you know !!!
    13.8@ 103mph fastest forum 850 in 2010 Running 286bhp(former owner)

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    does it still drive/idle ok apart from not having boost?
    Quote Originally Posted by The Flying Moose View Post

    I have it pretty much spot on now, gargles at idle, quiet cruising and sounds like a jet on boost.

    ^^^^^^how every 850 should sound!^^^^^^

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    Drives fine just no boost and feels like I am towing a house behind me it's so slow!!!!
    855 T5 Cd, Grey,polybush mbc valve. Loads of miles loads of dash warning lights on!!

    855 R Manual In Grey, polybush, strut brace and hideous colour wheels!!!

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    Mine was like that when i blew the intercooler

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    any hissing noises when you rev it hard? if you fancy a drive to essex i ve got a code reader you can borrow if you dont have any luck mate
    Quote Originally Posted by The Flying Moose View Post

    I have it pretty much spot on now, gargles at idle, quiet cruising and sounds like a jet on boost.

    ^^^^^^how every 850 should sound!^^^^^^

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    Thanks for all the replies, found out what the problem was. The actuator rod had come off the turbo so it was doing nothing!! Two hours, lots of swearing and one broken bolt it's all sorted.
    855 T5 Cd, Grey,polybush mbc valve. Loads of miles loads of dash warning lights on!!

    855 R Manual In Grey, polybush, strut brace and hideous colour wheels!!!


 

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