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Alpha N tuning on DSM

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Old Mar 7, 2018, 08:35 PM
  #16  
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Gaby you only need to unplug maf, map and automatically the rom enters on limp mode or alpha n but the resolution table of fueling is so tiny
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Old Mar 8, 2018, 05:08 AM
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if you arent boosted, you could try doing a sd conversion and plug in the tps in place of the map sensor. the ecm will use the map vs rpm table but map will actually be tps. not sure how well it would work, but could be worth a try.
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Old Mar 8, 2018, 07:27 AM
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Originally Posted by TrendSetter View Post
if you arent boosted, you could try doing a sd conversion and plug in the tps in place of the map sensor. the ecm will use the map vs rpm table but map will actually be tps. not sure how well it would work, but could be worth a try.
My cars tps uses 4 cables and the map uses 3, one of them is gonna be left unplugged, the question is which one, and will it work with only 3?
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Old Mar 8, 2018, 07:55 AM
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@Hiram6g74 Do you have a working .xml for 4G93. Im using a black box ecu with ceddymods 20550011 but having trouble tuning the car, the wideband AFR are jumping like crazy from 10-17.
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Old Mar 8, 2018, 09:26 AM
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You're not boosted? Throw the ITB's in the garbage and put a turbo on it for all the gainz.

Last edited by letsgetthisdone; Mar 8, 2018 at 10:03 AM.
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Old Mar 8, 2018, 09:43 AM
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Good for you if you're running on boost, but not all of us want to. If you have nothing good to contribute then don't comment at all.
Best regards
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Old Mar 8, 2018, 10:04 AM
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It's already been established that the stock ECU doesn't really support Alpha-N. That limp mode table doesn't even have half the resolution you need.
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Old Mar 8, 2018, 10:16 AM
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I wanted to see if it was possible before going standalone. I like running with ITB's it sounds awesome, the car runs pretty fine at WOT apart of being a little lean and at idle is too rich 12-14 AFR, the down side is cruising, the car runs like total garbage and the AFR start going crazy. I almost sure that the problem is the SD Map calibration. I had to put some crazy number to get the car running, and my injector size is dialed at 250 and I have 630cc injector, but if I dial in 630 the car wont even start, it goes to lean.
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Old Mar 10, 2018, 09:29 PM
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Gaby estas utilizando vacum box? lo otro es que puedes tener problemas en la calibracion de tu map o el offset de los inyectores acuerdate que si el voltaje esta variando altera la mezcla. saludos puedes seguir mis trabajos o escribirme a mi pagina y con gusto te ayudo

Facebook.com/HTuningPR
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Old Mar 11, 2018, 04:11 PM
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Originally Posted by Hiram6g74 View Post
Gaby estas utilizando vacum box? lo otro es que puedes tener problemas en la calibracion de tu map o el offset de los inyectores acuerdate que si el voltaje esta variando altera la mezcla. saludos puedes seguir mis trabajos o escribirme a mi pagina y con gusto te ayudo

Facebook.com/HTuningPR
No tengo vacumm box, los ITB’s estan directos a la tapa de bloque. La calibración del map esta bn rara pero es de la unica manera que lo puedo correr y el offset de los inyectores que estoy usando es de 250cc porq si uso el de los 630cc el carro no hace buena baja, varia entre 11-17 AFR baja.

Te voy a escribir personalmente por Facebook para entrar mas a detalles. La verdad es que estoy tuneando mi carro yo porq siempre me paso haciendole algun cambio y me sale mas economico comprar el programa y aprender porq eso consume mucho tiempo y dinero. Y pues ademas me gusta hacerlo, es un reto para mi y siempre me ha gusto eso.
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