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Thread: my defender = lack of power

  1. 22nd July 2007, 09:15 AM #1
    uninformed
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    my defender = lack of power

    hey all,

    my def is suffering from lack of power.

    vehicle = 1998 300 tdi tray back. 220,000km, never missed a service. 3 inch mandrel bent exhaust, fuel pump turned up, more efficent intercooler.

    stock gearing except maxi drive low range. 235/85r16 mud horns. had a new head installed 5000km ago. 2 inch lifted springs.

    trailer i tow every day weighs 1.9 tonne. dual axle

    on the high way, 5th gear on level ground gives me a max (foot to floor) of 110km/h. if theres a small head wind that drops back to 105km/h

    any slight incline and speed drops, small hills drop me back to 85 - 90.
    very frustrating.

    this has not happened over night. it seems to be a lack of torque???
    so what should i be looking for?????

    cheers serg
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  2. 22nd July 2007, 09:18 AM #2
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    Mick-Kelly
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    Check your throttle cable tension.
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  3. 22nd July 2007, 09:56 AM #3
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    longreach
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    Cool throttle cable

    yes !!! I agree with mick-kelly, check your throttle cable tension before you do any think else....Its what happened to me a couple of years ago,slow on hills and pick up..........regards keith
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  4. 22nd July 2007, 03:59 PM #4
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    Landy110
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    Failing throttle cable and assuming that fuel/air filters are up to date have your injectors been replaced?
    I had similar power loss and replacement injectors @ about $280 ea and dead easy to install were like getting an extra gear.
    Steve.
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  5. 22nd July 2007, 04:33 PM #5
    olmate Guest
    If your throttl cable is fine and injectors dont need attention - Is your turbo still working ok. As with the Defender I had .. lack of growl = Lack of go.
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  6. 22nd July 2007, 05:07 PM #6
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    justinc
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    Valve clearances? These are critical on a Tdi for good performance.
    Every 10,000km, .008" (.203mm) inlet and exhaust , hot or cold.
    They will especially need adjusting after the fitting of a new head 5000km ago...
    Try that.


    JC
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