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Thread: missing when hot, and idling, but fine when revved

  1. #1
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    missing when hot, and idling, but fine when revved

    This morning on the way to work car ran fine up hill and under power. Coasting downhill and when idling at lights noticed a miss. Miss just like a crook injector. TD6 diesel motor starts fine and idles smoothly until it warms up, seems fine when powering along.

    Behaved similarly this afternoon when travelling home.

    Where do you suggest I start looking?
    Michael T
    2002 L322 Range Rover TD6, ride almost as good as a Citroen, ... luxury
    Aussie '88 RR Tdi300 (+lpg), Auto (RIP ... now body removed after A pillar, chassis extension to 130 & fire tender tray.)

  2. #2
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    Start by checking the injector loom, if the loom is ok start looking for a faulty injector!
    Detach and reattach each injector plug and see hopefully which one doesn't make any difference at idle.

    Laurie

  3. #3
    Roverlord off road spares is offline AT REST
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    Quote Originally Posted by rrturboD View Post
    This morning on the way to work car ran fine up hill and under power. Coasting downhill and when idling at lights noticed a miss. Miss just like a crook injector. TD6 diesel motor starts fine and idles smoothly until it warms up, seems fine when powering along.

    Behaved similarly this afternoon when travelling home.

    Where do you suggest I start looking?
    I had erratic idling at the lights, the tacho would not sit in the one spot with small amount of hic up , got my injectors cleaned and all ok.


  4. #4
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    Progress I hope.
    We have been experiencing fantastic vehicle maintenance working weather this last week!
    Took the covers off the motor on Friday and noticed carbon like leakage around one of the EGR metal pipe fittings. Removed and refitted with bit of goop in the leaking pipe connection.
    Also some moisture (fuel) in areas of 3 of the injectors. Checked tension on injector bolts and the wet ones were not tight.

    Original missing behaviour has not reappeared, but only a couple of short trips, but motor up too temp, so hoping it is progress!
    Michael T
    2002 L322 Range Rover TD6, ride almost as good as a Citroen, ... luxury
    Aussie '88 RR Tdi300 (+lpg), Auto (RIP ... now body removed after A pillar, chassis extension to 130 & fire tender tray.)

  5. #5
    Roverlord off road spares is offline AT REST
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    Quote Originally Posted by rrturboD View Post
    Progress I hope.
    We have been experiencing fantastic vehicle maintenance working weather this last week!
    Took the covers off the motor on Friday and noticed carbon like leakage around one of the EGR metal pipe fittings. Removed and refitted with bit of goop in the leaking pipe connection.
    Also some moisture (fuel) in areas of 3 of the injectors. Checked tension on injector bolts and the wet ones were not tight.

    Original missing behaviour has not reappeared, but only a couple of short trips, but motor up too temp, so hoping it is progress!
    thought it was injector related, Have you still got the EGR, if some, do an EGR delete, there's too much sludge going into the motor i found


  6. #6
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    Fitted the Lithuanian EGR Mod soon after I got vehicle.
    Michael T
    2002 L322 Range Rover TD6, ride almost as good as a Citroen, ... luxury
    Aussie '88 RR Tdi300 (+lpg), Auto (RIP ... now body removed after A pillar, chassis extension to 130 & fire tender tray.)

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