[Diy_efi] Feedback - keep it coming :-)

[Bill Lewis]

> given that the system runs on 5V and 3.3V the battery would have to be
> at least 2 dead cells down before the voltage drop across the diodes
> would really make any difference. At that point there is not enough to
> fire injectors or coils properly so it's kind of moot... I may also go

You know some ECUs (such as Chrysler) use a switching power supply to 
boost battery voltage to suitable levels during brownout conditions.

Bill