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what the hell is an ecu?

Discussion in 'ECU's, Electronics, and Tuning' started by dyzedigital, Dec 24, 2002.

  1. dyzedigital

    dyzedigital Junior Member

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    i'm guessin its the electronics hookups or something, but what does it actually do, just connect the speedometer and tach and shit or what?
     
  2. brc80

    brc80 Senior Member

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    It controls all the electronics in your car.
     
  3. Havok

    Havok Senior Member

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    It runs the whole engine, when something is wrong, it tells u what it is It's wired to ... It's called ECU (Electronic Control Unit) or ECM (Electronic Control Module)
     
  4. b16a91crxsi

    b16a91crxsi Member

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    The ECU - Electronic Control Unit or ECM - Electronic Control Module, also known as the automobile's ‘Fuel Computer’ or ‘Brain Box,’ is an electronic computer that regulates the amount of fuel that your vehicle’s injectors release into the intake manifold.
     
  5. lsvtec

    lsvtec GNU/Linux Evangelist

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    It is sooooo much more than just a fuel computer.
     
  6. b16a91crxsi

    b16a91crxsi Member

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  7. pissedoffsol

    pissedoffsol RETIRED

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    an ecu controls the following:

    reads sensors and makes changes to things based on the reading

    basically, its like cutting off your head. your body is worthless- so is a car wihtout an ecu

    ....unless you drive a chevy :p
     
  8. RFHOMI2U

    RFHOMI2U Senior Member

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    more simply put, it is the "brains" of your engine, basically meaning that without it your car would be stupid and wouldn't work.
     
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