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Summary of change:
I'm not new to EFI in general but am relatively new to VEMS. I've just recently started playing with a plug and play motronic VEMS unit. My current fleet: 1995 Audi S6: ------------- stock 5 cylinder AAN motor 034 EFI Stage IIC standalone system running on 60-2 wheel, waste spark GT3071 turbo, custom downpipe and exhaust FMIC 60lb/hr fuel injectors 044 "motorsports" fuel pump 1990 Audi Coupe Quattro: ---------------- 3.6L v8 twin turbo (PT code motor from V8 quattro) 034 EFI Stage IIC (actually the same computer as the above car.. good thing I cant drive both cars at once because I only have one ECU!) dual T3 60 series turbos (.6 A/R) dual intercoolers big-a$$ double row aluminum radiator crank mounted 60-2 wheel, running waste spark coil on plug dual path exhaust (side exit and rear exit, boost actuated side valve) My plan is to install a PNP motronic VEMS unit on the S6 and keep 034 on the v8 mostly so I can stop swapping the ECU around but also to learn the ins and outs of VEMS. More VEMS related stuff coming soon! ---------------- PNP box is in my S6 now. Some suggested idle settings by Jorgen that I need to try: (10:00:06 AM) Jorgen1_: enabled (10:00:09 AM) Jorgen1_: 20 (10:00:13 AM) Jorgen1_: 0 (10:00:15 AM) Jorgen1_: 20 (10:00:16 AM) Jorgen1_: 2 (10:00:19 AM) Jorgen1_: Enabled (10:00:23 AM) Jorgen1_: 20 (10:00:24 AM) Jorgen1_: 10 (10:00:25 AM) Jorgen1_: 50 (10:00:26 AM) Jorgen1_: 10 (10:00:28 AM) Jorgen1_: 55 (10:00:29 AM) Jorgen1_: 20 (10:00:30 AM) Jorgen1_: 10 (10:00:34 AM) Jorgen1_: 128 ---- '''CEL''' - check engine light wired as: AANpin22 = EC36pin15 = p259/5 * misc2out_channel=57 for p259/5 (that is often fuelpump) * I'd use misc2 and minrpm=0 maxrpm=05 or so to light it up when engine is off, than turn off CEL when egnine has started ---- Some potentially useful files for others. Bone stock S4/S6, 1.1.27 firmware: MSQ: http://www.efiexpress.com/downloads/stock_s4_1_1_27_newcamtrig.msq config.mtt: http://www.efiexpress.com/downloads/config_1_1_27_newcamtrig.mtt tables.mtt: http://www.efiexpress.com/downloads/tables_1_1_27_newcamtrig.mtt ----- mostly notes to myself on pure megatune free-air calibration procedures from talking with Jorgen on IRC key on, engine off communications->mini terminal Manmlp02mde02 it will come back 'Helo', enter key does nothing, this is normal. mll should display the o2 page. repeat until a value is displayed. o2 should be getting hot. once an o2 is shown, if the value is lower than 20.9, close mini terminal with: byebye close mini terminal window, adjust wideband cal constant by increasing it 2 or 3 at a time, burn to ecu, back to mini terminal Manmde00 The mde00 resets the wideband circuit mlp02mde02 mll, check wideband numbers.. repeat until 20.9 is attained.
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