Quote:
Originally Posted by jondee86
Just a thought and I don't know if it is relevant. But prior to installing the
larger injectors I was providing a PWM signal that mimiced IDC from an aux
output on my ECU. I changed this to a direct IDC pickup from an injector
negative because I needed the aux output for another purpose.
Thus there will now be a back EMF spike reaching the HFS-3 controller that
was not present previously. Could this cause the light to flicker before IDC
reaches the trigger point for W/M injection ??
Cheers... jondee86
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I think it is the frequency change. HFS3 is much happier if the PWM frequency is above 80Hz. the duty update for a multi-point sequential fuel signal is quite slow. Perhaps this is the issue all along.