Check plugs condition and gap, check injectors click test and ohm test, check coil packs. check the tech section its all in there on how to perform these test performing the 6ps cant hurt either,it also shows how to diag the ecu codes if there are any, because even if you dont have a check engine light on doesnt mean you have no codes.
" I told my son, you have to catch the football other wise this just looks like child abuse." - My brother