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.
I'm trying to find information about my stock coil on my '07 Ultra. Does anyone know what the voltage output (spark voltage) is or where I might find the information? Is there a higher voltage replacement out there? Thanks for any info!!