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Could be a variety of causes common ones are vacuum leak on control system (split or loose pipe etc), faulty boost control solenoid, diverter valve diaphragm split, split turbo hose, inter-cooler or faulty turbo.
 

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Possible, but a more possible one is debris etc sucked in where hose is split damaging turbo compressor blades
 

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my hose broje exactly the same as yours. what a rubbish design, it needs to be able to withstand heat better.

seem hard to find at reasonable prices so ive just used gasket/sealant for now until i find one. make sure its only on the outside though, dont want your turbo sucking it in.
 

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Thats the cold side of the turbo so there wont be a huge amount of direct heat as it has cold air flowing in but being split is doing no good as it will be drawing in unmetered warmer air and this will upset the mixture so may well be causing the error as looking at your screenshot it is happening at 90mph so engine is working hard
 
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