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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.
Sounds as if the regulator is going out....check the voltage at the battery while it's at a high idle (say 2000 rpm) running, it should be about 13.5 to 14.5. If it's over this voltage install a new regulator.
Would have to agree with Doc1. Those over voltages and high voltage indications would point to your regulator. Luckily it is easy to get at and replace.
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