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Thread: Home Made ECU for EFI Engine

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    Default Home Made ECU for EFI Engine

    hey guys
    I made a Home Made Engine Control Unit (ECU )using PIC16F876A for EFI Engine. Have a look at this

    Home Made ECU for EFI Engine -1025926 Home Made ECU for EFI Engine -1025927 Home Made ECU for EFI Engine -1025928 Home Made ECU for EFI Engine -1025929


    www.youtube.com/watch?v=K_fpNcJUpcQ


    This ECU has following features:
    1) Adjustable Idling Speed.
    2) Cold Start feature for better cranking in winters. Just starts in first Attempt.
    3) Fully Controllable Ignition Timing (Advance/Retard) no need for Advancer in case of CNG.
    4) Injector Duty Cycle is Programmable (Rich/Lean).
    5) Cooling FAN can be set at any Temperature.
    6) Fuel Pump runs only if Engine is running.
    7) One can tune it for racing to extract maximum output from the Engine.
    8) It can be set on Economical Mode for Extra Fuel Saving.
    9) Engine Maximum RPM can be limited at any set point. To enhance the Engine Life.
    10) Injectors can be disabled just by giving one Pulse so there’s no need of Emulator for CNG.

    ECU Inputs:
    Intake Air Temperature Sensor, Throttle Position Sensor, Manifold Absolute Pressure Sensor, O2 Sensor, Oil Pressure Sensor, Knocking Sensor, Coolant Temperature Sensor, CAM position Sensor, Crank Angle Sensor, VVT Feedback Sensor.

    ECU Outputs:
    3-Fuel Injectors, 3-Ignition Coils, Idling Air Control Valve, VVT Solenoid, Purge Valve, Radiator cooling FAN, Fuel Pump, + RS232 port for Data Monitoring

    more than that i made all this just for Fun, Engines r my Babies
    Best Regards
    Engr Asad Hameed

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    Congrats. Keep it up

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    wow thats great..please tell us more in detail which parts you made your self and what capabilities is it capable of? thumbs up

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    Quote Originally Posted by misteek View Post
    wow thats great..please tell us more in detail which parts you made your self and what capabilities is it capable of? thumbs up
    i made the ECU (Design + Fabrication + Coding)

    Engine: Suzuki K6A VVT DOHC 12Valve

    Best Regards
    Engr Asad

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    Good work bro..... Keep it up.
    Speed costs money. How fast do you want to go?

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    Quote Originally Posted by hameeds01 View Post
    i made the ECU (Design + Fabrication + Coding)

    Engine: Suzuki K6A VVT DOHC 12Valve

    Best Regards
    Engr Asad
    How did you write software for it? I mean u must have got the values from original ECU for the valve timing and other controlling of the ECU or you have set all the values by yourself and then fed them into PIC micro controller?
    Speed costs money. How fast do you want to go?

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    Whoa... that's truly amazing! How long did the process take you? ECU's to me are just a mystery, all except the error codes which... I just clear off every time they come on. That's all

    Awesome job!
    This comment was made by a person with a tested IQ of negative 9.

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    Quote Originally Posted by shariqak1 View Post
    How did you write software for it? I mean u must have got the values from original ECU for the valve timing and other controlling of the ECU or you have set all the values by yourself and then fed them into PIC micro controller?
    no i don't have a Factory ECU, i calculated most of the values, i am a Research Engineer & doing Research in Engine Control Unit.

    first i opened the Engine completely & get knowledge about its working then i wrote my own algorithms, i know its not a simple JOB, but Engines r my Love

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    Quote Originally Posted by hameeds01 View Post
    no i don't have a Factory ECU, i calculated most of the values, i am a Research Engineer & doing Research in Engine Control Unit.

    first i opened the Engine completely & get knowledge about its working then i wrote my own algorithms, i know its not a simple JOB, but Engines r my Love
    WOW.... that must be the tremendous effort....!
    I am also interested in these ECU and engine related things but quite beginners level though. Thanks for sharing.
    Speed costs money. How fast do you want to go?

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    great tallent my friend (Y)(Y)
    www.facebook.com/performancepartslahore

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    do you see injector duty cycle and pulse width through the alogrithm method? like most rom editors? and what base timing and total timing was used here?

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    Quote Originally Posted by TeamAMS1 View Post
    do you see injector duty cycle and pulse width through the alogrithm method? like most rom editors? and what base timing and total timing was used here?
    Injector Width is calculated from a set of Equations that is a function of MAP, CTS, Engine Speed, TPS, Angular Acceleration

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    very nice,, lets hope our indegenous car industry is developed.. we desperately need it..
    top documentaries " Tears of Gaza"

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    MashaAllah ! you are one talented fella....keep it up !
    As I lay rubber down the street, I pray for traction I can keep, but if I spin and begin to slide, please dear God protect my ride! ==========www.Performance-diy.blogspot.com

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    awesome job
    Life is short and very unpredictable just like a Quarter mile .....

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    Nice work. Question.. wat sensors are u using to sense the engine parameters?? did u actually build them??
    Amazing things happen when you turbocharge a TOYOTA!

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    Quote Originally Posted by tauseef View Post
    Nice work. Question.. wat sensors are u using to sense the engine parameters?? did u actually build them??
    How one can built SENSORS?? dude i just designed the ECU, any ways

    ECU Inputs:
    IAT, TPS, MAP, O2, CTS, CAM Angle Sensor, Crank Angle Sensor, VVT Feedback Sensor, Battery Voltage as Reference, Oil Pressure Sensor. currently i am not using the Knocking Sensors

    ECU Outputs:
    3-Fuel Injectors, 3-Ignition Coils, IAC Valve, VVT Soleniod, Purging Soleniod Valve, Fuel Pump Motor, Radiator Cooling FAN.

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    Marvelous JOB Thumbs up

    Ustad ji mere ko apna chota rakh loo

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    Exceptional work my friend....(Y)(Y)
    ‘Whosoever chooses to follow guidance, follows it for his own good; whosoever goes astray, goes astray to his own loss.’ (al-Isra’ 17: 15)

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    Excellent work.any planes for producing it in quantity for marketing. I have a cultus carby 3 cylinders need a Timing Advance Processor can you make one? if yes let ma know the price.

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