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Thread: Td5 making black smoke

  1. 21st April 2012, 05:16 AM #1
    mturri's Avatar
    mturri
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    Td5 making black smoke

    A mates Td5 Defender (2006) is making lots of intermittent black smoke.

    New fuel pump, new FPR, new injector o-rings & washers. New turbo hoses. Boost pressure as well as other fueling parameters all in good order.

    No oil consumption. No significant blow-by. Installed known good injectors then known good ECU, all to no avail. Does it either when cold or warm. Sometimes idles ok, other times smokes right from start up, no clear pattern here. When floored for a while it starts burning clean. Intake manifold and intercooler look clean.

    Heavy smoking while idling is usually accompanied by abnormally high cylinder corrections (live cylinder readings jump from +/- 2 to +/- 24) and somewhat rough running (not rough as when running on 4 cylinders, just not smooth). No oil in harness, red plug or ECU. No misfiring whatsoever.

    At my wits end... any ideas?

    Thinking porous head but may very well be loosing it...
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  2. 21st April 2012, 05:43 AM #2
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    Blknight.aus
    Blknight.aus is offline RoverLord Vendor
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    in no particular order

    partially blocked intercooler
    collapsing air filter
    turbo failing
    contamination on the crank angle sensor or the flywheel drillings
    bad earth
    harness damage
    alternator fritzing.
    MAF/MAP or ambient air sensor not ranging correctly
    Dave

    "In a Landrover the other vehicle is your crumple zone."

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  3. 25th April 2012, 05:06 AM #3
    mturri's Avatar
    mturri
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    Thanks & will keep you posted!
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  4. 20th May 2012, 09:10 PM #4
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    djam1
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    So Mturri what was the problem??
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  5. 3rd February 2014, 04:30 AM #5
    outnabout Guest

    Black smoke

    Hey fellas,

    Similar problem with my 130 (2003). Decided to start blowing black smoke after a Tassie to Qld trip in the late December heat.
    I'm a light weight when it comes to diesel mechanics and just carry out basic maintenance and keep a close eye on basic operating trends.
    How helpful are the diagnostic computers in determining the cause of these sorts of problems?
    On another note, the handbrake lever was bloody hot during the trip. I did take it easy to manage the heat but was pretty concerned. The engine temp gauge was pretty constant throughout so I was guessing gearbox/transfer box radiant heat (didn't seem to me that the exhaust was the cause).
    I'll have to take it in to the grown-ups for an educated eye to have a look at the poor old girl I think.
    Mainly just posted this to stop getting kicked off this brilliant website.
    Cheers Fellas
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  6. 3rd February 2014, 12:20 PM #6
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    nedflanders
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    Oldie but goodie but have you changed the injector harness?
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