• MAP-ECU Man's Avatar
    22nd-August-2019, 11:03 AM
    MAP-ECU Man replied to a thread 98 Aristo MAF intercept in Tables
    You have to have the ignition setting match your wiring, i.e. COP if it is COP and wasted spark if it is wasted spark. The consequence of having it...
    3 replies | 454 view(s)
  • MAP-ECU Man's Avatar
    22nd-August-2019, 10:56 AM
    MAP-ECU Man replied to a thread Fuel Cut question in Technical
    You can probably use the FCD function with the benefit of overboost safety function. How is the boost cut module wired into the vehicle?
    1 replies | 20 view(s)
  • MAP-ECU Man's Avatar
    19th-August-2019, 08:06 PM
    MAP-ECU Man replied to a thread injector sizing in Technical
    I didn’t believe even e85 will cause you to use double the fuel volume so I think 2150cc is too big. You might want to consider using the flex fuel...
    3 replies | 29 view(s)
  • MAP-ECU Man's Avatar
    19th-August-2019, 09:55 AM
    MAP-ECU Man replied to a thread injector sizing in Technical
    Good question. Yes, that guideline is for regular gas. You need more fuel when running e85 so you can go bigger again. Just be aware of the...
    3 replies | 29 view(s)
  • MAP-ECU Man's Avatar
    19th-August-2019, 09:54 AM
    Yes, that's what the different pressure sensor selections do. The only problem is that if you have a tuned table setup for the other pressure scale...
    1 replies | 20 view(s)
  • MAP-ECU Man's Avatar
    19th-August-2019, 09:48 AM
    MAP-ECU Man replied to a thread Launch control? in Technical
    How about retarding the LC ignition timing. Have you tired that?
    3 replies | 40 view(s)
  • MAP-ECU Man's Avatar
    9th-August-2019, 06:49 PM
    MAP-ECU Man replied to a thread Launch control? in Technical
    Haha, itís a pretty good show. :). What kind of exhaust do you have and do you have cats? Cats can prevent unburnt fuel entering the exhaust which is...
    3 replies | 40 view(s)
  • MAP-ECU Man's Avatar
    5th-August-2019, 08:22 PM
    I think I should warn you that the IS300 will be a very difficult first tune for someone new to this. The OEM ECU is very fussy about how it is tuned...
    5 replies | 95 view(s)
  • MAP-ECU Man's Avatar
    5th-August-2019, 08:17 PM
    MAP-ECU Man replied to a thread Inconsistent AFRS? in Technical
    I would expect that means your tune is lean so it has to add +19%.
    14 replies | 333 view(s)
  • MAP-ECU Man's Avatar
    1st-August-2019, 08:10 PM
    You should never attempt any tuning without a wideband. I’m sorry but I cannot understand how you have contemplate such a project without one. I...
    5 replies | 95 view(s)
  • MAP-ECU Man's Avatar
    1st-August-2019, 08:06 PM
    MAP-ECU Man replied to a thread Wire length? in Technical
    Nope, we have run longer cables for vehicles with the OEM ECU under the bonnet. The usual rules apply with soldered wiring and definitely not those...
    1 replies | 37 view(s)
  • MAP-ECU Man's Avatar
    1st-August-2019, 08:03 PM
    MAP-ECU Man replied to a thread Afr's at idle in Technical
    By default the OEM ECU oscillators the AFRs around 14.7:1 to check the O2 sensor is working. To be honest idle is not really a priority as the AFRs...
    2 replies | 64 view(s)
  • MAP-ECU Man's Avatar
    1st-August-2019, 07:55 PM
    Sorry, what vehicle, engine code and model year do you have?
    1 replies | 77 view(s)
  • MAP-ECU Man's Avatar
    1st-August-2019, 07:53 PM
    MAP-ECU Man replied to a thread Inconsistent AFRS? in Technical
    There will be a point when stft stops changing when it goes in open loop. Generally it is based on throttle position, I.e. accelerating versus...
    14 replies | 333 view(s)
  • MAP-ECU Man's Avatar
    25th-July-2019, 08:50 PM
    MAP-ECU Man replied to a thread Inconsistent AFRS? in Technical
    I guess that’s better than nothing. The goal will be zero percent stfl and ltft. Does it tell you when it is in closed loop?
    14 replies | 333 view(s)
  • MAP-ECU Man's Avatar
    25th-July-2019, 08:48 PM
    It sounds like you have configured the inputs correctly. Have you selected the wideband you have under MAPCAL Configuration?
    1 replies | 45 view(s)
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