As described in the other post just boggy/misfiring/jerking up to 3k over fuleing had full service new tt dv Audi s3 n75 Audi s3 coil packs new Bosch maf Bosch super 4 spark plugs new fpr cleaned and reset throttle body new temp sensor (4pin green on on side of engine) been plugged into vcds no fault codes no boost / vac leaks compression is 165-165-160-165 but was told as long as ther within 5 of each other it's fine wondering if it's the ecu but haven't got a spare one to test it with.