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Thread: help with nanicom code

  1. 7th July 2023, 12:20 PM #1
    354 chamberlain
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    help with nanicom code

    I just completed a service on my TD5 incliding fuel filter now when I push the throttle it cuts out ,nanocom code is 30,7 topside switch failed pre inj . Any suggestions on where to start ?
    No such thing as retirement when you have 3 land rovers on the road
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  2. 7th July 2023, 12:32 PM #2
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    SPROVER
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    Did you do a fuel purge? Ignition on and then pump accelerator 5 times.
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  3. 7th July 2023, 04:05 PM #3
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    sierrafery
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    That code is bad news, means that the ECU has an internal fault, used to be one of those big capacitors or a smd resistor, if you are not skilled electronist to find the blown part simply replace the ECU
    Discovery Td5 (2000), manual, tuned
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  4. 7th July 2023, 04:20 PM #4
    354 chamberlain
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    Quote Originally Posted by SPROVER View Post
    Did you do a fuel purge? Ignition on and then pump accelerator 5 times.
    I went back to the beast and checked a few things and started with that horay old chestnut the injector harness and its plug , found oil in the plug and cleaned it with acetone and had no problems starting running and driving , however ther was a missfire in #1 injector so I cleaned it again and problem solved . should have checked it first as generally if I am having problems that is usually the cause ,although the symtoms are always slightly different . I always use CRC lectra clean but had run out this time . Yes I bled it up as per manual and it run for about 2 k before it started playing up last night in the cold wet night , had to call the missus to tow me home lucky we live in a country road
    No such thing as retirement when you have 3 land rovers on the road
    09 freelander 2 td4
    02 discovery td5
    99 discovery td5
    71 2a cab tray
    64 series 2 swb waiting for restoration
    69 corvette
    1927 dodge tourer still has original rego
    2 dodge trucks
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  5. 7th July 2023, 04:31 PM #5
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    sierrafery
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    Be aware that the topside switch fault can be very intermittent, i've never heard to be triggered by oil in the ECU plug but i dont say it's not possible, oil in the plug would usually throw injector fault codes so if you'll have missfire or running/starting issues and you get that code again see my previous reply. Also cleaning the oil from the plug is just a short term fix, you have to replace the injector harness ASAP
    Discovery Td5 (2000), manual, tuned
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