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Thread: TD 5 No guts no glory

  1. #1
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    TD 5 No guts no glory

    Driving home from Albury today in TD5 Disco, everything going fine until the big hill at Bethungra ( in case some of you know it ) engine gives a bit of a cough and hiccup and has a very noticeable drop in power. Couldn't maintain 100ks up the hill and had no power with revs.
    The worst part is I had kept a jap job at bay since Wagga and on this hill they breezed past with their nose in the air. Very tough on the ego.

    My car continued to home ( another 100ks ) but with less power than a Hilux.
    My thoughts are a blocked fuel filter, any other ideas welcome.
    No warning lights Temp normal Can't detect smokey rear end,and fuel consumption normal if not a little on the leen side.

  2. #2
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    make sure you havent blown off a turbo pipe, sounds like my old soarer when it blew off the turbo outlet pipe, absolutely no power and the ecu kept shutting down the engine cos the afm is showing heaps of air into the turbo but it was just blowing it straight back out to atmosphere

  3. #3
    slug_burner is offline TopicToaster Gold Subscriber
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    Check your turbo hoses, some have delaminated internally blocking the flow of air.

  4. #4
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    It could be fuel cut-out due to excessive boost caused by a faulty boost modulator or wastegate actuator. Does it get to higher revs on light throttle?
    MY21.5 L405 D350 Vogue SE with 19s. Produce LLAMS for LR/RR, Jeep GC/Dodge Ram
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  5. #5
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    Light throttle is fine but it does not like the boot at all. Overtaking is a none event.

  6. #6
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    Quote Originally Posted by Discopug View Post
    Light throttle is fine but it does not like the boot at all. Overtaking is a none event.
    It sounds like uncontrolled boost.

    Try some compressed air in the wastegate actuator pressure line. If the wastegate opens then the actuator is most likely OK. You can use a length of tube to bypass the modulator to connect the wastegate actuator directly to the turbo outlet pipe, thus allowing almost normal power (90kw instead of 101kw). The modulators aren't very expensive, so hope that's the cause of the problem.
    MY21.5 L405 D350 Vogue SE with 19s. Produce LLAMS for LR/RR, Jeep GC/Dodge Ram
    VK2HFG and APRS W1 digi, RTK base station using LoRa

  7. #7
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    Check for oil in the ECU harness. Very similar symptoms.
    CraigE
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  8. #8
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    Quote Originally Posted by CraigE View Post
    Check for oil in the ECU harness. Very similar symptoms.
    CraigE
    Like CraigE says...also have a look at oil in wiring harness from rocker cover.
    Tends to happen to earlier models around 2000 2001? ...before the Fix
    Symptoms are no power and "limp-home" mode. Will not pull the skin off a rice custard.
    My TD5 also ran rough/lumpy ie. on 4 cyls.

    A spray of switch cleaner/solvent wash of the loom connectors may solve the problem for a very short time. It may also help you eliminate/isolate the problem.
    ie. if the clean up fixes the problem then it could be the loom?
    You can't really see the oil except at the connectors, because it runs down the inside of the copper wire strands.

    Landrover issued a bulletin on this problem and there are other threads on the forum.

    Anyway worth a look if it is not an obvious blown turbo hose etc.

  9. #9
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    Thank the input. I don't think it will be the wiring loom , it has been replaced and I keep a regular check on it by looking at the connectors when they are undone. I did have a bit of oil still coming through to the ECU which I cleaned away with contact cleaner. This area has stayed clean for a while now so I presume its out of the system. I will check the hoses today and try to test the bypass as well. Thaks for your help.

  10. #10
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    hi discopug had a similiar problem with my td5 a few months ago and it was the fuel pump gone would go alright at low throttle opening but when foot put down had nothing check it out if other advice doesn't work
    cheers

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