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Thread: TD5 Defender help - Low power

  1. #21
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    It's been a while now since we heard anything about this low power issue.
    Did you manage to get a replacement ECU and if so, did it rectify the low power problem?
    Interested to hear what the outcome was.
    Roger


  2. #22
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    Did you flush out any oil from the wiring harness that connect to the ECU? I had similar problems and it was oil in the harness that connects to the ECU, although the injector harness was new there was still oil in the wiring loom.

  3. #23
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    Quote Originally Posted by gruntfuttock View Post
    Did you flush out any oil from the wiring harness that connect to the ECU? I had similar problems and it was oil in the harness that connects to the ECU, although the injector harness was new there was still oil in the wiring loom.
    How do you flush out oil from the wiring harness? Would love to know that.

  4. #24
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    TD5 Defender help - Low power

    Unplug the harness from the ECU and put some paper towel under it. Remove the injector harness from where it plugs into the loom, i think from memory its at the front of the head. Find a plastic coke bottle (i think 500ml but) check to see that this fits nice and snugly over the coupling point where the injector harness plugs into the loom, find an old tubeless tyre valve, drill hole in bottom of coke bottle and pull the valve into place. Place some ISO alcohol in the bottle (dont fill it) place a very very very slight amount of pressure just enough to say there is some pressure there but it should be negligible to the coke bottle and wait (you may want to lift and tie everything up some place. Any oil will drip out of the ecu end of the wiring harness. Repeat as needed till there is no oil. Hope this all makes sense? It took a few days the first time to “run clean”
    I now change my injector harness every 100K before i get problems.

  5. #25
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    Apr 2018
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    Quote Originally Posted by Xtreme View Post
    It's been a while now since we heard anything about this low power issue.
    Did you manage to get a replacement ECU and if so, did it rectify the low power problem?
    Interested to hear what the outcome was.
    Hi Xtreme,

    Yes I did get a NNN ECU and it did fix the power issues!
    Overall the gearing was still a fair bit higher than stock so it was not fast off the line but it did cruise quite nice.

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