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The car is mapped and holds 1.7 bar but since a trackday it now shoots to 1.5 bar but drops and holds 1.2 bar.
Any ideas chaps
R.B
have you checked the gasket under the intercooler or the pipe work that sometimes cracks a bloke was selling that idea for fifty quid on ebay just an idea but worth a check ????
My car has a similar problem, it has a ScoobyECU, which the boost is set at 1.1 bar, but I'm lucky if it reaches 0.8bar, and it don't seem to boost very well