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Thread: no injection pulse on 5lt?

  1. #1
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    vl hilux and a moped ;)

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    Default no injection pulse on 5lt?

    hey guys,
    i have a vq 5lt burn out car i brought that had come out of a fire.
    when i received the car it didn't run no injector pulse nor spark... i knew it was a immobiliser problem so i bypassed that hot wired it and it ran..
    i had it idling one day fixing it and it stalled
    since that day it hasn't ran, now i noticed when it stalled my security wires i used to bypass the immobilizer earthed out.
    and i lost injector pulse.
    so this whole time i was under the impression it was a bcm problem or i fried a ecu.... easy fix! haltech it so i did.
    i went for the haltech e6gmx as this bypasses the bcm, loaded a base tune today and tried to start it,
    Still no pulse
    so any one got any ideas....? i have crank reference coming out of the dizzy its goin to the ecu but the ecu isn't throwing it back as earth Ive checked all earths on ecu all flow around .3 ohms
    does any one know exactly what the ignition module does on these 5lts?
    cheers mat

    pics
    as it was the day i got it,Now has no iterior just two seats




  2. #2
    VrWagz1's Avatar
    VrWagz1 is offline The Wagon on Wheels..
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    Default

    i did look at the schematics once and had alot of it worked out, cant remember alot now. Theignition module contols spark and timing. As far as i was aware i thought the hall effects pulse went to the ignition module.... see post 10 here VR stuck in limp home mode - Aussie V8 | Holden - Ford | Australian V8 Engine Community
    Heres another site to brows but you probably have these Rob's Creative Calibrations - Wiring Diagrams
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    Has ACL stopped making flat top pistons or something? Grinding a heap off the heads seems to be the latest fashion...
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    It's cheap and half arsed - perfect fit for a Commodore
    Reaper

  3. #3
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    vl hilux and a moped ;)

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    cleared it up cheers mate!


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