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Thread: D2 wont start

  1. 14th April 2011, 03:03 PM #1
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    D2 wont start

    hey all,
    The D2 V8 carked it in the driveway today, would turn over but not start.
    I have been thinking that it has been lacking a bit if oomff when starting over the last two weeks.
    Had to tray it to the work shop.

    So its not the fuel pump, not the crank sensor, no relays.no computer problems
    Next is the coil packs (2) of.

    Any help much appreciated, does one coil pack feed of the other so if there is a problem things just shut down or would miss firing be expected?

    Hope this is the culprit.
    Any suggestions would be much appreciated
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  2. 14th April 2011, 03:28 PM #2
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    JBM770
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    The 2 coil packs feed half the cylinders on each side each ie 2 odd cylinders and 2 even cylinders. If 1 coil pack is bad it should still fire on the other cylinders.

    James
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  3. 14th April 2011, 03:31 PM #3
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    Doesn't do that, thanks mate.
    motor turns over quick but no firing apart from a week effort here and there
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  4. 14th April 2011, 03:40 PM #4
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    Does the car computer read a fault with the ignition packs and things fail to start?
    Its hooked up to the diagnostics computer.
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  5. 16th April 2011, 05:29 AM #5
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    Replaced ignition packs. feeling pretty lost now.
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  6. 16th April 2011, 06:18 AM #6
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    crank sensors gone us
    Dave

    "In a Landrover the other vehicle is your crumple zone."

    For spelling call Rogets, for mechanicing call me.

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  7. 16th April 2011, 06:46 AM #7
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    Changed crank sensor and did'nt change things
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  8. 16th April 2011, 07:48 AM #8
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    Is it sparking when turning over?

    Is fuel definetely getting to the rail?

    Could it be the throttle position sensor?
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  9. 16th April 2011, 08:33 AM #9
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    back to basics...

    Remove the air filter and inspect the air intake.
    test all the plug leads with a test plug.
    if the packs are all sparking correctly
    Bleed the fuel rail, and pressure test that, Just because the pump is making noise does not mean you are getting fuel at 30psi in the rail,
    put a bipolar lead and a resistor across one of the injectors and crank it over.. (make sure he led lights on both 5+12v first) if that doesnt flicker when you crank it your either not getting signal to the ECU to tell it that the engines turning and wants some fuel OR signal from the ECU to the injectors...

    have you tripped the inertia sensor?
    Dave

    "In a Landrover the other vehicle is your crumple zone."

    For spelling call Rogets, for mechanicing call me.

    Fozzy, 2.25D SIII Ex DCA Ute
    Tdi autoManual d1 (gave it to the Mupion)
    Archaeoptersix 1990 6x6 dual cab(This things staying)


    If you've benefited from one or more of my posts please remember, your taxes paid for my skill sets, I'm just trying to make sure you get your monies worth.
    If you think you're in front on the deal, pay it forwards.
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  10. 16th April 2011, 08:44 AM #10
    PhilipA
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    Hasn't a Thor got a camshaft position sensor that tells the ECU what cylinder the engine is on for starting?
    My understanding is that refusal to start is usually the failure of the camshaft position sensor.(if not the crank sensor)

    Regards Philip A
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