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 October 31, 2019 at 8:28 pm #895192 Chris OrlandoParticipant Would you be able to send photo’s of the ECU board? I can usually see from photo’s if the Mazda B2600i ECU may be the issue.