[Diy_efi] Re: EMS inputs/output?

[alex averbuch]

Cheers for the help Huw
Is the difference between open and closed loop just the ommission of the 
LAMBDA sensor or is there more to it?  If it is then wouldn't a closed loop 
method just continuosly poll the LAMBDA for changes and increment/decrement 
the inj-open-time accordingly?

What complications would a Ping sensor introduce if I wanted to use it as 
one of the inputs for the ECU? Isn't it simply an anolog input from a 
microphone,where a frequency (or volume?) over a certain threshold would 
signal that detonation is occuring, or do other problems like calibration 
nightmares also come into play?

This is probably a dumb question but what is Dwell? you mentiond it but I've 
never heard that term before.

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