Home › Forums › Stay Dirty Lounge › Service and Repair Questions Answered Here › 1993 Mazda B2600i No spark or injector pulse › 1993 Mazda B2600i No spark or injector pulse November 3, 2019 at 8:18 pm #895199 Chris OrlandoParticipant When the engine does turn off on its own, does it idle down and sputter to a stop, or is it rapid like you turned the key off?