Voltage Comp

[Ed Lansinger]

>    In Bryans' idea above, how would duty cycle and pulsewidth affect the
>    voltage compensation?  It would seem that it would only affect the
>    turn-on/turn-off times, with full-open injector flow not affected by
>    voltage. Anyone with hands-on experience?
>
>    Scot Sealander    FIScot at aol.com
>
>

Full-open injector flow is not affected by voltage per se.  Fuel pump flow
is, so you've still got to correct the full-open time.  EFI fuel
pump manufacturers characterize their pumps at a range of supply voltages.
You could start there or measure things yourself.

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Ed Lansinger
General Motors Powertrain
Powertrain Control Center
Premium V Software & Calibration Group
Milford Proving Ground, Milford, MI
elansi01 at mpg.gmpt.gmeds.com  8-341-3049  (810) 684-3049
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