Injector current setup

[Polux RSV]

What will happend if I set the current too low in General setup->fuel->setup ????
Is it possible the injector will not completely open, resulting in lower fuel flow ?????

Angelo

[Polux RSV]

No Motec guy to explain if injectors are current limited or only PWM driven ?

Angelo

[SprinterTRD]

You answered your own question!

The fuel flow will not be consistent as the hold current may not keep the injector open.

[Polux RSV]

Thanks. I suspected this behaviour because changing values in fuel tables had no effect on lambda readings.

But as an electronics engineer, I still would like to know if the injectors outputs use FET transistors with PWM, or transistors with programmable current limiter

Angelo

[SprinterTRD]

If you scope the injector output you will see how the current limiting is done.

[Mazi]

viewtopic.php?f=11&t=187&p=2108#p2108

[Polux RSV]

Thanks Mazi, exactly what I needed to understand parameters meaning.

Angelo