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Thread: mkiv supra 1jzgte i think over fueling it want start.

  1. #1
    Forum Member Grease Monkey
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    Default mkiv supra 1jzgte i think over fueling it want start.

    i have done the 1jzgte in to my mkiv na supra.
    i think the body wireing is right thanks to wilbo666 .
    anyway i started the car and it ran not to bad abit lumpy but it was running.
    this is a video of it running. i have a vacc pipe on the video witch i dont no where it goes and 1 other vac on the other side near to the diag box.
    in this video the 1 on the side is connected to the map sensor.

    http://s1225.photobucket.com/albums/...t=IMG_0119.mp4

  2. #2
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    Default Re: mkiv supra 1jzgte i think over fueling it want start.

    after this video it did not start so i took the plugs out and cleaned them all put them back in a it started but not for very long. and it smells strong of fuel .
    would it be posible its over fueling or would it be under fueling.
    also i did a te1 to e1 and turned ignition twic and the o/d light on the dash just flashed.
    thanks lee
    Last edited by leeti; 17-10-2011 at 08:34 AM.

  3. #3
    Junior Member Domestic Engineer
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    Default Re: mkiv supra 1jzgte i think over fueling it want start.

    cant watch the video as im at work but suggest the map sensor might not have a vaccuum line connected to it?

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    I make people cry Chief Engine Builder Draven's Avatar
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    Default Re: mkiv supra 1jzgte i think over fueling it want start.

    map sensor, and make sure the cam/CAS sensors are wired up the right way around
    http://www.toymods.org.au/forums/showthread.php?t=7465
    Quote Originally Posted by xero View Post
    and of course campbell newman's completely fucking everything he touches so badly that he should be called dick fingers.

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    Default Re: mkiv supra 1jzgte i think over fueling it want start.

    right i got 2 vaccs on one side of the inlet 1 next to the diagnostic box and 1 5inces to the right of the diagnostic box with a black valve on it and there is 1 the other side of the inlet manifold.
    in the video i have the 1 that is 5ince away from the diag connected to the map sensor the 1 on the diagnostic box to the charcoal cannister.
    i was told that was wrong so now i have the 1 in the inside of the manifold to the map sensor now and the 1 that is 5 inc away from diagnostic box to nothing and the 1 right next to the diag box connected to the charcoal cannister.
    cheers lee

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    Default Re: mkiv supra 1jzgte i think over fueling it want start.

    are the cam/cas wires in the passenger footwell on the plugs. i thought thay was direct from the ecu.
    cheers lee

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    Is a Chief Engine Builder wilbo666's Avatar
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    Default Re: mkiv supra 1jzgte i think over fueling it want start.

    ToyoDIY.com



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

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  8. #8
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    Default Re: mkiv supra 1jzgte i think over fueling it want start.

    this is the one that i have not got connected but it runs better with that 1 on the map sensor. but theres 1 the other side that i have now connected to the map sensor.
    cheers


    Last edited by leeti; 17-10-2011 at 11:35 PM.

  9. #9
    Junior Member Domestic Engineer
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    Default Re: mkiv supra 1jzgte i think over fueling it want start.

    i suspect that one is for the charcol canister... should be sitting up on the firewall... big black thing with hose barbs on the top of it...

    can you take a photo of the other side of the intake manifold?
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    Default Re: mkiv supra 1jzgte i think over fueling it want start.

    thankyou do i t peace into the cannister pipeing as i have the 1 from near the diagnosic box to the cannister.
    thanks lee

  11. #11
    Is a Chief Engine Builder wilbo666's Avatar
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    Default Re: mkiv supra 1jzgte i think over fueling it want start.

    Quote Originally Posted by midnight_purple_GA70 View Post
    i suspect that one is for the charcol canister...
    In a JZZ30 it should go to the VSV that controls the "heater tap"

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  12. #12
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    Default Re: mkiv supra 1jzgte i think over fueling it want start.

    thanks wilbo
    do i just block the end of it.
    the 1 in this pick i have put to the map sensor.

    Last edited by leeti; 19-10-2011 at 11:51 PM.

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    Default Re: mkiv supra 1jzgte i think over fueling it want start.


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    Default Re: mkiv supra 1jzgte i think over fueling it want start.

    i just fired the car again and it runs lumpy but when i take 1 of the fuel wires off and stop the pump it sounds great. but it wont rev so when i reconnect the wire it runs but lumpy but it will rev but after a high rev it cuts out but fuel gets there so then i have to take the wire off again for it to idle till it needs fuel again.

    could it be getting to much fuel to make it run lumpy. seems to flood itself.
    and the pipe with the black filter on it sucks air. and the one pipe near the diag box seems to blow i think and that 1 is connected on the charcoal cannister.
    cheers lee
    Last edited by leeti; 19-10-2011 at 07:52 AM.

  15. #15
    Is a Chief Engine Builder wilbo666's Avatar
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    Default Re: mkiv supra 1jzgte i think over fueling it want start.

    Yes, block the hose that normally goes to the heater tap in JZZ30.


    Other questions / things to check:
    -Have you checked that you have the Fuel Pressure Regulator vac hoses connected correctly?

    -Are you sure you have the correct MAP sensor? And is it plugged in OK? I haven't seen a pic of it...


    Cheers
    Wilbo
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