This group will be a forum for people who modify any Bosch EFI system. This includes reverse engineering the chip software and add-on modules. Hot-wire MAF conversion, boost timing retards, and other external devices as well. This forum will cover all Bosch EFI systems.
In order to join this group you must convince the moderator you are not just a spammer. That means that your membership application must describe why you are interested in this group. What are you modifying, what DME even is, something like that.
... That depends, some ECUs have code that doesn't use it. I'm fairly certain the M1.7 is one of them. I've had several broken AFMs (literally, backfires broke
This is very close to what was published in a 1977 technical paper by Bosch. The key item is that the Base Time is an injector flow coef. Possibly mg/msec or
So load is a short value of BTi (base injection time) with the unit time Load = BTi/25 The final injection time Ti is: Ti = (BTi * AdjustmentFactors) +
Thanks for your help. I wasn't sure if this command is a hidden secret in the 8051 world... ... It is a subroutine that is used to add A to B and store the sum