Thread: Focus st-3 loss of boost at 4000rpm
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Old Jul 7, 2014 | 07:38 PM
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Philtingle
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From: Portsmouth
Default Focus st-3 loss of boost at 4000rpm
My st-3 is loosing all boost at around 4000rpm then engine will only continue to rev up to about 4500rpm. Any help as to why would be welcome.
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