[Diy_efi] Re: new EFI controller

[Alexei Pavlov]

bearbvd at mindspring.com wrote:
> 
> >> But did you scope the power line on a running car ? You can SEE all
> >> ignition AND injection events on the line. In the wav file of MAF
> >> output I've sent you there are voltage spikes on the MAF output signal.
> >> MAF is a complexe circuit with op-amps and Temp/voltage
> >> auto-compensations.
> >> Don't say it's ignition high voltage:  I have a static 4 coils ignition,
> >> the MAF is FAR from the ignition amplifier and wires (which are under a
> >> alu cache).
> 
> All of which leads one to see the sense in having intelligent MAF
> sensor(s!) which connect to the ecu via CAN bus !! Likewise for the MAP
> sensor. Including DSP in said sensors might well be productive, also,
> particularly if such could be "educated" by the ecu via the CAN bus
> connection !!

The solution was found by Bosch many years ago: the ECU was placed
on the top of the MAF :-) (L3.x-Jetronics).

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