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Thread: mx83 2jzge conversion

  1. #1
    Forum Member 1st year Apprentice
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    Default mx83 2jzge conversion

    hay guys my mx 83 has a bad knock in it so iam going to do a 2jzge engine swap so if eney one has a wiring diagram of what body loom plug wires go where that would help me alot i have a full 2jz wiring harness and need to splice it in to the mx83 harness or where you could send me pics of how you did your wiring .

    cheers darran

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    Default Re: mx83 2jzge conversion

    hay guys i started this a few months back i have got the wireing sorted but it will not run it will crank over and start for like threeseconds then die i ahve spark and injector pulse im wondering if eney of yo guys that have done the swap could help me out with what to check

    cherrs darran

  3. #3
    Junior Member Automotive Encyclopaedia
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    Default Re: mx83 2jzge conversion

    check if your injectors are blocked or stuck shut
    very common

    spray flammable liquid down throttlebody to see if it keeps running
    double check your wiring
    most of the time if its not stuck injecotrs its dodgey power or fuel pump wiring

    u probably forgot to bypass the fuel pump wiring come to think of it

  4. #4
    Junior Member Automotive Encyclopaedia
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    Default Re: mx83 2jzge conversion

    also how r u running fuel pump
    as the 2j ecu cannot control the cressida COR

  5. #5
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    Default Re: mx83 2jzge conversion

    Quote Originally Posted by dumbass View Post
    also how r u running fuel pump
    as the 2j ecu cannot control the cressida COR
    I have it running all the time at the monent I want to get it running b4 I sort that out . I can here the injectors pulsing when I try to turn it over but it seams to flood the engine with fuel

  6. #6
    RZN169R+2JZGTEVVTI+R151 Domestic Engineer madmont's Avatar
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    Default Re: mx83 2jzge conversion

    Mine worked ok . Is your map sensor connected?
    http://www.toymods.org.au/forums/tec...to-mx83-3.html
    Jealousy is a curse

  7. #7
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    Default Re: mx83 2jzge conversion

    if plugs are fouled clean em or put new ones

    check for spark on coil lead
    maybe disconnect injectors while testing incase u flood it again

    get a spark checker and injector noid light to test things properly
    maybe u havnt powered the ignitor or coil
    some 2js have seperate wires which power coil/igniter on one wire
    then power injectors for another wire

    then some toyotas have one common wire which power all coils igniters and injectors

    so turn ign on and check power to coil and ignitor and injector

  8. #8
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    Default Re: mx83 2jzge conversion

    Quote Originally Posted by dumbass View Post
    if plugs are fouled clean em or put new ones

    check for spark on coil lead
    maybe disconnect injectors while testing incase u flood it again

    get a spark checker and injector noid light to test things properly
    maybe u havnt powered the ignitor or coil
    some 2js have seperate wires which power coil/igniter on one wire
    then power injectors for another wire

    then some toyotas have one common wire which power all coils igniters and injectors

    so turn ign on and check power to coil and ignitor and injector
    i have chech both the coil power and injectors they both are getting power and injectors are pulsing im getting power to the ignitor also . i can keep it running with the starter i think i may have missed a wire in there or may have it around the wrong way . ill get back to oyu afteer the week end

  9. #9
    Is a Chief Engine Builder wilbo666's Avatar
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    Default Re: mx83 2jzge conversion

    You haven't said what the 2JZGE is out of, but in case you haven't seen I have the wiring detailed on my wiki

    http://wilbo666.pbworks.com/w/page/4...0JZA80%20Supra

    Cheers
    Wilbo
    Wilbo's Wiki (Includes 2JZ-GTE Wiring, etc! )

    Wilbo's JZA80
    Wilbo's JZZ12

  10. #10
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    Default Re: mx83 2jzge conversion

    maybe u hooked up the power wires to the starter wire
    so u only have power when cranking
    ive seen that done before hahahaah

  11. #11
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    Default Re: mx83 2jzge conversion

    Quote Originally Posted by wilbo666 View Post
    You haven't said what the 2JZGE is out of, but in case you haven't seen I have the wiring detailed on my wiki

    http://wilbo666.pbworks.com/w/page/4...0JZA80%20Supra

    Cheers
    Wilbo
    hay wilbo its a jza80 2jzge i have used your wiki and some other links

  12. #12
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    Default Re: mx83 2jzge conversion

    Quote Originally Posted by dumbass View Post
    maybe u hooked up the power wires to the starter wire
    so u only have power when cranking
    ive seen that done before hahahaah
    hay dumbass i think thats what i may have done ill sort it out on the weekend after work on saturday

  13. #13
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    Default Re: mx83 2jzge conversion

    anything photos or anything where wires go?

  14. #14
    RZN169R+2JZGTEVVTI+R151 Domestic Engineer madmont's Avatar
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    Default Re: mx83 2jzge conversion

    Last edited by madmont; 11-01-2018 at 07:37 AM.
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