Ive hit a brick wall now. I keep gettin limp mode. Been tild to do the mr muscle trick so i did it and it lasted a week and then my car decided to go into limp mode again. I havnt got any boost leaks and the actuater moves freely. Anyone got any ideas?

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Plugged the car in to vcds?

Yeah and it flags a fault 17965

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I'm sure you've already checked Ross Tech wiki:

Possible Symptoms

Reduced power output

Limp mode

Possible Causes

Boost Pressure too High

Hoses/Pipes incorrect connected, disconnected, blocked or leaking

Charger Pressure Control defective

VNT (variable nozzle turbo): nozzles stuck

Solenoid Valve for Boost Pressure Control (N75) defective

Possible Solutions

Check Hoses/Pipes to/between Components

Check Solenoid Valve for Boost Pressure Control (N75)

Check / Clean / Replace Charge Pressure Control

Check / Clean mechanism for variable nozzles