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Well just look and see - via exhaut outlet if the the wastegate is stuck open.
You need a hand pressure pump and a 0-10 psi pressure gauge.
Simple hook pump and gauge up to small hose that comes from turbo wastegate actuator....pump some pressure while looking/feeling...does it move with pressure and retract with removal of pressure.
Could be jammed open via the wastegate itself in the turbo - disconnect actuator arm and wastegate valve should move freely.
Or could be actuator itself which should move with pressure.
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www.fidalgo.net/~brook4
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