Ford Focus ST225 (MK2) 2005-2010 Everything relating to the Mk2 ST225 preface & facelift versions from 2005 to 2010

focus st2 turbo problem

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Old 07-07-2012, 12:44 PM
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bandit76
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Default focus st2 turbo problem

anyone help my mates st has started to lose power when turbo is at full chat it sounds like air is escaping am not to clued up on turbos so any help would be appreciated we have checked all the hose and pipe fitting but all seems ok.
cheers.
Old 07-07-2012, 12:58 PM
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Carlos-Titx
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Maybe a vacuum pipe, boost solenoid or oil diaphragm.

Does it whine a little at standstill?
Old 09-07-2012, 09:14 PM
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bandit76
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all pipes checked out ok boost solinoid valve is ok also am starting to think its the actuator any ideas?
Old 09-07-2012, 09:18 PM
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bandit76
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need to check for the whine where is the oil diaphram and how do i check it?
Old 14-07-2012, 10:32 PM
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bandit76
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gotthis fixed today it was the boost solenoid that was gubbed.
cheers for the help
Old 14-07-2012, 11:45 PM
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Jay,
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yeh mine went 2 weeks ago

for future refference this what they sound like with the pcv blown
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