Ignition/Tuner/ECM/Fuel InjectionNeed advice on ignition issues? Questions about a tuner? Have questions about a EFI calibration or Fuel Injection? Tips on Engine Diagnostics, how to get codes, and what they mean. Find your answers here.
a couple of years ago i had a loose injector wire,which was fixed by a dealer. well it came loose again, fix it but dont know if i have the wires in the plug right does it matter seen one is ground and one fires the injector.can they be switch and still work right? thanks