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Thread: 3RZ-FE won't rev / no power... FIXED

  1. #1
    Still just a Grease Monkey Glenno52's Avatar
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    Default 3RZ-FE won't rev / no power... FIXED

    Nearing completion of replacing a 22r with a 3rz into a '92 xcab. Engine starts and will idle. Try to rev it and it coughs & far@#. Can only increase revs by going slowly on the pedal and when driving it has zero power...more coughs & far@#!!
    It's like the ECU is not getting a vital signal from somewhere?
    The 22 pin plug from the ECU that does not go to the Engine has the following pins; STA...AC1...SPD...TAC...IMI...IMO...W...STP...IDLO ...ELS...BATT...OD2...ACT...THOW...L...S...R...SIL ...TC...FC...4WD...+B
    I have connected +B...BATT...FC (Circuit Opening Relay)... Do I need any of the others?
    The car is 2wd Manual and not Air Conditioned, does not have ABS Brakes or Cruise Control.
    There are 2 other plugs from the engine loom...one with 7 pins which I think are all to do with the Check Connector (only 3 wires in it) and the other has 13 pins (10 wires) and I have connected one which is a power feed to the coils. Some of these also go to the Check Connector...A/C clutch..earths...and maybe one to the reverse light switch.
    We road tested the engine/gearbox in the donor vehicle before we bought it...perfect.
    What am I missing??

    ISSUE FIXED...Power feed wire to AFM not connected!
    Cheers Glenno
    Last edited by Glenno52; 24-05-2012 at 08:52 PM. Reason: update
    1g-gze Corona RT132 (Daily)
    RA23 Celica (Project under way)
    RT81 & MS112 (Still Thinking About It!)
    Wife thinks i'm mad (yep... she's right!)

  2. #2
    Junior Member Automotive Encyclopaedia
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    Default Re: 3RZ-FE won't rev / no power

    Does it run a air flow meter
    If so check voltages
    Sounds like. Low fuel flow or fuel distribution problem
    Spray something flammable down intake as u rev it to seeing it gets better
    Put a scanner on it and see live data

  3. #3
    Still just a Grease Monkey Glenno52's Avatar
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    Default Re: 3RZ-FE won't rev / no power

    Quote Originally Posted by dumbass View Post
    Does it run a air flow meter
    If so check voltages
    Sounds like. Low fuel flow or fuel distribution problem
    Spray something flammable down intake as u rev it to seeing it gets better
    Put a scanner on it and see live data
    Standard Air flow meter
    Hmmm...not keen to spray something flammable down there
    Don't have a scanner
    1g-gze Corona RT132 (Daily)
    RA23 Celica (Project under way)
    RT81 & MS112 (Still Thinking About It!)
    Wife thinks i'm mad (yep... she's right!)

  4. #4
    Junior Member Automotive Encyclopaedia
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    Default Re: 3RZ-FE won't rev / no power

    Yr soft hehhe
    All u can do is loose afew arm hairs if it backfires heheh
    Check air flow meter voltages
    If your to scared u can always pay me to fix it heheheh

  5. #5
    C2H5OH Powered Automotive Encyclopaedia George's Avatar
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    Default Re: 3RZ-FE won't rev / no power

    Glenno, is it off hiace or landcruiser or something else maybe?
    Do you have wiring diagram?

    All your diagnostics is W to warning light "-", then TE1 to "-" and ignition on (te2 works as well)
    USSR GAZ24 with 1UZ-FE VVTi (UCV24) http://www.toymods.org.au/forums/showthread.php?t=60301
    Engine conversion is when you drive a shitbox which costs a whole LEXUS to own

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