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.
Your speedometer will display the codes for you. Buy a Electrical Diagnostics Manual which will break the codes down for you, as well as providing repair info.