Infiniti Repair Questions? Ask a Mechanic for Answers ASAP
hi my name is ***** ***** i can help with your questions
did you replace all the coils and plugs ??
this is very possible you should run an injector cleaner see if that help if not you should test the injector for correct ohms and do a compression test
you would have to take it to a shop and have them do a direct injector service
you do not want to upgrade because the car will run like crap there is allot more to that then just replacing injector will would also need the ecm turn for the upgrade so just go wiht oem if your going to replace