i think there might be something wrong with ur engine fren .. mayb u wanna chk it out first then try to tune again .. pressure leak test might b a good one to start with .. hope this helps :)
I've just located a GTT for sale at one of the used/import cars dealer opposite Assuntha school in pj, after viewing the car, it looked good. Its unreg car manufactured'04 (although we knw its last...