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EFI Tuning Fundamentals

Relevant Module: How the ECU Works > Calculating Injector Pulse Width

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01:05 We know that our injector duty cycle needs to be 46.2%, and we calculated the cycle time to be 20 milliseconds, so if we put these numbers into the equation, we get an answer of 9.24 milliseconds.

He says the injector duty cycle is 46.2% but uses the required fuel flow (0.462) as the injector's duty cycle in the equation.

We usually reply within 12hrs (often sooner)

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