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Thread: PowerFC FAQ

  1. #81
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    so i found out my

    ecu is a s14
    pfc is a s14

    but i dont know why he wont start?

  2. #82
    I <3 BBS LM Actual_Ben_Taylor's Avatar
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    So have you put all the ECU wiring back to standard?

    Do you have a Commander connected to the PowerFC?

  3. #83
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    yes i put all ecu wiring back to standard
    no i havent a commander connected to the pfc

  4. #84
    Strawberry 14-A VIDAL BABBOON's Avatar
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    You will now need to set the ECU up to base settings in order for the car to run.

    ECU needs to be reset
    AFM needs to be selected
    Injector duty etc needs to be altered

    Start the car and leave it perform the self test for idle speed etc.

    Then check the timing against the PFC readout.

    Then off to get it mapped.

  5. #85
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    Ok so I've just plugged in my power fc, I'm running induction kit, fmic, fuel pump, full stainless inc tubular mani and a t28r tubby
    I am mid way through the idle initialise bit
    My read out from my fc commander read
    Injector duty - 1.6%
    Ignition timing - 15 degrees
    Air flow - 1215 mV
    Engine revs - 847rpm
    Boost - -42 mmHg
    Knock - 1
    Water temp. - 79*C

    Do these seem pretty normal?

    my AEM wideband A/F is reading 16.2

    Is there any database or somewhere I can gat a base map i can put on with datalogic or can someone PM me what the settings should read if i input them using the commander for a standard-ish car so i can drive it to get it mapped as I bought unit second hand and don't want the settings on it to be for something running silly boost an cause Det etc

    Cheers

    Will take it for a little drive and hold the top values and see what the outcome is

    Edit:
    A little drive up and down the street nothing hard didn't hit full boost as engine management light flashed on and off everytime I touched the accelerator,

    Fc commander readings
    Injduty. 100%
    Igntmng. 40 deg
    Airflow. 4474mV
    Eng. Rev. 6038rpm
    Speed. 50km/h
    Boost. +1.16 kg/cm2
    Knock. 139
    WtrTemp. 80 *C
    Last edited by BIGT1987; 22-06-2012 at 21:30.

  6. #86
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    right basically your injectors are maxed injduty 100%
    what maf are you using?? if standard its prob maxed
    knock is to the point of det on a sr20 which isnt good atall...
    40 is considered det on a sr20 your hitting 139. which is the highest ive seen unless your knock sensor is done or its picking up vibration from somewhere else

    EML on and off is a warning from the power FC
    it will be warning about your injectors being maxed and your knock being rediculus

    basically in short get someone who knows what their doing to look at it...

    furthermore drive about off boost and power fc comes with a base map on it

    Wideband should sit at 14.7 idle and cruising dropping to 11s on boost

    sounds like its not set to standard map atall

    im sure theirs a function to "reinitailise" which returns to factory settings i think, search and confirm though
    Last edited by Nathsx; 22-06-2012 at 22:11.

  7. #87
    Strawberry 14-A VIDAL BABBOON's Avatar
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    Quote Originally Posted by Nathsx View Post
    right basically your injectors are maxed injduty 100%
    what maf are you using?? if standard its prob maxed
    knock is to the point of det on a sr20 which isnt good atall...
    40 is considered det on a sr20 your hitting 139. which is the highest ive seen unless your knock sensor is done or its picking up vibration from somewhere else

    EML on and off is a warning from the power FC
    it will be warning about your injectors being maxed and your knock being rediculus

    basically in short get someone who knows what their doing to look at it...

    furthermore drive about off boost and power fc comes with a base map on it

    Wideband should sit at 14.7 idle and cruising dropping to 11s on boost

    sounds like its not set to standard map atall

    Umm sorry but for the majority of that i don't agree

    More information is required before making assumptions based on injectors and DET.

    Mine for example reaches a knock reading of over 80 and real DET does not occur until over 100 on the knock scale.

    BIGT,

    What figures do you have set on AFM value and injector settings ?

    Did you initialize the PFC before carrying out the self learn ?

  8. #88
    Guest BIGT1987's Avatar
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    Quote Originally Posted by VIDAL BABBOON View Post
    Umm sorry but for the majority of that i don't agree

    More information is required before making assumptions based on injectors and DET.

    Mine for example reaches a knock reading of over 80 and real DET does not occur until over 100 on the knock scale.

    BIGT,

    What figures do you have set on AFM value and injector settings ?

    Did you initialize the PFC before carrying out the self learn ?

    yeah I did the initialize then self learn which I read set the map back to basemap. I just changed the maf setting to super intake instead of standard s14.

    I am running stock maf, stock injectors at the moment although I do have a z32 maf to fit and 740cc nismo's at home. Which I might put on this weekend.

    I've just swapped standard Ecu back (my A/F is still 15.6ish with standard Ecu) Til tomorrow morning when I have more time will go through all the settings and take a note of them.

    Injector settings are 100% 0.00 for all settings I think but will have to double check tomorrow and let you know

    On idle the knock is between 2 and 10.

  9. #89
    Strawberry 14-A VIDAL BABBOON's Avatar
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    You will need to input the latency times for the injectors

    370cc - 0.58ms

    Im not sure weather you need to put 100% or 0% in for injector percentage though ( never had to set one up on stock injectors lol) ?

    Also change the AFM setting to stock as that's what you have

  10. #90
    Guest BIGT1987's Avatar
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    Quote Originally Posted by VIDAL BABBOON View Post
    You will need to input the latency times for the injectors

    370cc - 0.58ms

    Im not sure weather you need to put 100% or 0% in for injector percentage though ( never had to set one up on stock injectors lol) ?

    Also change the AFM setting to stock as that's what you have
    It ran even worst on stock afm haha was getting a/f readings of like 17
    that's why I changed it to super intake.

    I think the latency times are 0.58ms again I will check tomorrow once I plug it back in and have more time

  11. #91
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    I Have a question regarding JDM zenki and kouki ECU's

    Can a kouki s14a power FC be made fit a zenki s14 plug/loom???

    If so what needs to be done to make it work and is it hard to do ! Thanks for any help!

  12. #92
    Strawberry 14-A VIDAL BABBOON's Avatar
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    The ECU socket will not accept the loom plug

    BUT

    If you got the right plug for your ECU (s14a) then re pin the whole plug from s14 to s14a you would be able to get it working.

  13. #93
    Strawberry 14-A VIDAL BABBOON's Avatar
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    Quote Originally Posted by BIGT1987 View Post
    It ran even worst on stock afm haha was getting a/f readings of like 17
    that's why I changed it to super intake.

    I think the latency times are 0.58ms again I will check tomorrow once I plug it back in and have more time
    Also make sure that the boost control setting is in the off position if you are not using it

  14. #94
    Flamethrower Gary@APT's Avatar
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    ive been tuning these for years and i can tell you 40 is max for no det any thing over IS det

    Quote Originally Posted by VIDAL BABBOON View Post
    Umm sorry but for the majority of that i don't agree

    More information is required before making assumptions based on injectors and DET.

    Mine for example reaches a knock reading of over 80 and real DET does not occur until over 100 on the knock scale.

    BIGT,

    What figures do you have set on AFM value and injector settings ?

    Did you initialize the PFC before carrying out the self learn ?
    ---------------------------------------------------
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  15. #95
    Guest Steve_20085's Avatar
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    Quote Originally Posted by Gary@APT View Post
    ive been tuning these for years and i can tell you 40 is max for no det any thing over IS det
    I regularly hit a knock reading of high 70's on mine.

    Just want to add that your the person that mapped it and when I took it for a run and hit a knock reading of 78 you said it was fine, anything in the 80's would be worrying?

  16. #96
    Flamethrower Gary@APT's Avatar
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    ive never said above 40 will be fine unless car has a noisy knock sensor value when mapping it or hitting rev limiter

    if you worried run it back and illl re run it
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    FAST ROAD SPEC SR20'S from £3200 Details Here

    Power FC Mapping - **Current remap deal!**

  17. #97
    Guest Steve_20085's Avatar
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    I'm not worried at all, it's been running perfect for about a year, I've recommend you to people after you mapped mine. Was just a bit concerned after the last post.

    I will be coming up to see you before Xmas though as I've just ordered a new turbo and am finally going to fit my cams.
    Poncams and gt3071, hopefully hit a safe 400.

  18. #98
    Strawberry 14-A VIDAL BABBOON's Avatar
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    Quote Originally Posted by Gary@APT View Post
    ive been tuning these for years and i can tell you 40 is max for no det any thing over IS det
    Really! so how can you explain me not seeing DET till well after 40 on the knock scale on the PFC ?

    DET was simulated to get an exact point where it was occurring and this was monitored by multiple devices.

  19. #99
    Flamethrower Gary@APT's Avatar
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    im talking from 100's + ecus ive mapped,if you going telling people 80 is fine and there engine melts,are you going to fix them?
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  20. #100
    Strawberry 14-A VIDAL BABBOON's Avatar
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    Quote Originally Posted by Gary@APT View Post
    im talking from 100's + ecus ive mapped,if you going telling people 80 is fine and there engine melts,are you going to fix them?

    I have only stated that More information is required before making assumptions based on DET, and that in my instance real DET does not occur until over 100 on the knock scale.

    This was simulated to get an exact point where it was occurring and was monitored by multiple devices.


    As im sure you are well aware no two engines are the same and no two maps are ever the same either, so making an assumption that a number is good or bad is not a good thing.

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