hi, im new to this and looking for some advise i have had a turbo kit fitted to my audi 2 l e abk engine and setting up the fuel mix is seeming to be a problem will the standerd ecu with a new chip be mapable enough to cope with the bigger limits of air and fuel its been up jetted, will the mafs beable to cope and the lambda.has anyone done this before ?its running .5 bar of boost but running lean if the lambda is unplugged its ok on high end but to rich on low end any ideas ?