Originally Posted by Cossie Sean

forget the intercooler change

you could take off the throttle body pipe and it would make no change as there is no fuel metering via the intake system from turbo/air filter and its all done via the MAP sensor and the water temp sensor in the head

you need to check their values with a ohm meter before you do anything

check at the sensors, then at the ECU incase its got a shagged loom

hope the above makes sense