So i been having really bad hesitation and The worst knocked ever you ahve seen i cant even start to boost with out knocking so much.. so like a week or two ago i went down to my local tuning shop with no problems besides needing a tune for the hesitaion after about 4 hours and lots of pulls they came in and told me we cant do anything for you we dont know whats wrong besides something called phantom lag never explained it to me or anything and payed and went on my way.. about a hour later i get a call from them saying oh hey wen we took it off the dyno we noticed that you have a bad oil leak but before i took it into them i never once had a oil leak.. i still stuck with the hesitation and bad knock does any one have any suggestions or ideas what i can do richard told me to run injector and fuel cleaner to see if that will help but hasent i think i need to get a tune but if the other shop told me they couldent do anything what can i do... any help would really help me out cause i dont want to go buy a new motor and ecu when i might bealbe to fix this one