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JDM 3 Stage VTEC & USDM y8 engine harness! what a mess???

Discussion in 'ECU's, Electronics, and Tuning' started by Komet 163, Nov 19, 2019.

  1. Komet 163

    Komet 163 New Member

    Likes Received:
    Oct 11, 2015
    Chile, South America
    hello everyone

    does anyone know what are the emission sensors used by the D15B 3 stage VTEC engine (JDM engine)

    im doing a swap in my OBD-0 crx and I need to know what the sensors that engine uses, since I will use a y8 engine harness. and that harness doesn't bring all the connections for the sensors that the D15B 3stage uses

    I have read that the D15B 3stage uses EVAP in the United States, but I don't know if in Japan this engine uses EVAP

    I have no problems with the emission laws, I just need to know what the sensors are necessary for the engine to work properly

    will be all the sensors in the photo or just some


    for example my D15B 3 stage does not bring that piece held in the hand


    neither has this piece marked in red circle


    I don't know if it is necessary to use the fuel pressure sensor or not

    I don't know if it is necessary to use all the EVAP sensors or not

    example: someone who tells me, "for the correct operation of the d15b 3 stage vtec, you need the egr, the egr lift sensor & none of the evap sensors", or something like that

    please someone help me...thanks

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