[s-cars] RS2 Injectors
mlp qwest
mlped at qwest.net
Thu Jul 3 11:35:12 EDT 2003
FWIW, I think some hint of what the programer's have to deal with are in the
following partial description of the LH-Jetornic programming /
re-programming comments for a Porsche 928 S4, i.e.,:
"...The system runs on the MAF meter up to some reading (approx. .xxx volts
or so) or up to about 3000 rpm with full throttle, at which point, it
switches over to map running and remains on the map till the rpms or maf
reading drops below that above set point.
O2 sensing/closed loop is done below some rpm...I have not found the point
yet, but guess that it {sic.} is around 3000 at full throttle or higher rpm
at part throttle. The MAF and O2 feed the ECU info to create the map
offsets.
The system uses all throttle positions (below the set point) to get the
correct offsets for the map based upon many throttle positions/engine loads
below the maf meter set point/rpm set point. The .xxx volts may be reached
in many positions...full throttle at 2500 or 3000 rpm, or part throttle at
6000 rpm!...."
HTH
Mike
~-----Original Message-----
~From: Mihnea Cotet
~
~
~Calvin, I know what the point of the list is about and this is why I have
~answered, but I can't say too much because .....
~
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