NefMoto > Noob Zone > Noob Questions (Moderator: turboat) > 373cc injectors tuning
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Author Topic: 373cc injectors tuning  (Read 3311 times)
dj81
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« on: May 22, 2021, 11:10:36 AM »
hi need some pointers on how to fine tune my new injectors .The car is a golf mk 4 aum engine with a ko4, i have installed them and got the car running by setting krkte to 0.08647 for the 373cc  part no (0280156023)at 3bar injectors from the cheat sheet i found on this forum  and also set tvub to 7.96v to 2.3310 ms and so on see picture and i have no started logging a few runs problem is i not sure what i should be logging on vcds any help would be gratefully received 
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Blazius
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« Reply #1 on: May 22, 2021, 12:00:36 PM »
Got the same injectors, cant remember the tvub i used tho, prolly the data from the saab from b234. You can rescale the tvub axis instead then you can plug those numbers in. Do you have a 4 bar FPR?

also use me7logger.. but check groups 31-33  they are the fuel trims, which is what you need.
« Last Edit: May 22, 2021, 12:11:43 PM by Blazius » Logged
dj81
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« Reply #2 on: May 23, 2021, 02:15:34 AM »
How do you extend the rpm axis then I would be able to thightend the timings
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Blazius
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« Reply #3 on: May 23, 2021, 04:20:26 AM »
Quote from: dj81 on May 23, 2021, 02:15:34 AM
How do you extend the rpm axis then I would be able to thightend the timings


What ? Why would you wanna extend the RPM axis ? Timings have nothing to do with injector setup
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dj81
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« Reply #4 on: May 23, 2021, 08:55:13 AM »
Sorry I meant to say the voltage axis so I can fine tune ie 6 volt 8 volt 10 12 14 and so on
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Blazius
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« Reply #5 on: May 23, 2021, 12:18:38 PM »
Quote from: dj81 on May 23, 2021, 08:55:13 AM
Sorry I meant to say the voltage axis so I can fine tune ie 6 volt 8 volt 10 12 14 and so on

Well you literally change the axis like you would do it on any other map, just make sure the adresses are good, afaik its not shared by any other so you are fine there(someone correct me if not on this, the input is straight UB , but havent traced it in ida , the application of it). Take some values from that list from B234 and put the respective values under them. Check rkaz to see if they are correct.
« Last Edit: May 23, 2021, 12:29:31 PM by Blazius » Logged
dj81
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« Reply #6 on: May 23, 2021, 01:24:00 PM »
hi i have extended the axis to 10 places but i dont know how to change the voltage column so i can specify the order as it now shows volts all over the place
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bamofo
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« Reply #7 on: May 26, 2021, 10:43:13 AM »
Quote from: dj81 on May 23, 2021, 01:24:00 PM
hi i have extended the axis to 10 places but i dont know how to change the voltage column so i can specify the order as it now shows volts all over the place

No go back to your old rom, update the voltage numbers manually in the axis and update the values correctly. If you extend that table its going to smash into something else right after it.
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_nameless
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« Reply #8 on: May 29, 2021, 07:04:15 PM »
why not download trionic suite and just take the dead times from the original file. krkte should be as simple as mathematics to get you close and adjust fueling from there based on trims
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Giving your mom a tuneup
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« Reply #9 on: May 30, 2021, 04:09:14 AM »
Quote from: Marty on May 29, 2021, 07:04:15 PM
why not download trionic suite and just take the dead times from the original file. krkte should be as simple as mathematics to get you close and adjust fueling from there based on trims

Thats what user "B234" posted years back(apparently). OP just does not know how to rescale an axis.

Like bamofo said, you cant "add" to an axis, literally just change the voltages to a few of your choosing from B234's list and plug in the numbers he gave, it will be very close.
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