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Old 14-07-2003, 08:03 PM   #11
Cosmo Dude
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Join Date: Dec 2002
Location: Location: Vic
Car: Mazda '95 Astina I4, '86 B2K and '10 3 MZR-CD
Posts: 7,888
The BA uses (for lack of a better name) what Bosch a calls Motronic E EFI system.
The CPU opens the injector for a predetermined time for current engine conditions, the fuel pressure (controlled by the FSE) can change the amount of fuel injected in that time.
The O2 sensor will cut this time back if the mixture becomes too rich or increase it if too lean, the FSE will ensure, if in doubt, you are in the rich (power/safe) area than in the lean (economy).
Sounds like a nice move, don't go beyond your current engines limits as the CPU will not cope too well.

Rod
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