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Thread: TD5 110 - lacking power

  1. 6th January 2017, 04:06 PM #1
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    TD5 110 - lacking power

    New to TD5's and chasing what to check first

    It's my wife's daily driver therefore I don't do any k's in it....apart from holidays.

    Just went away for a few days towing a 1200kg camper and it struggled on slight hills and more so on longer ones, could not maintain 100......my 300 tdi could maintain 100 on the same hills.

    Cruised at 100kph on the flat although could probably get to 100 a little quicker.

    I have a nanocom....although new to this as well.

    Where should I start??

    I have checked the wiring loom at the ECU and it all clean and dry.

    Oh 2000 model travelled only 62000km

    Don't seem to feel any boost/umph when foot is out down.
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  2. 6th January 2017, 04:13 PM #2
    Land Tiger
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    Check the hoses going from turbo to intercooler and return. If split then power way down..
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  3. 6th January 2017, 05:39 PM #3
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    TD5 110 - lacking power

    I/C hoses look good, one was replaced 6 months ago

    Nanocom tells me one error logged (1,7) AIR FLOW CIRCUIT, (LOGGED LOW)

    Turbo pressure at idle 0.01
    Ambient pres 101kPa
    Air flow 55g/s

    Off for a drive with nanocom connected.....anything in particular I should be looking at??
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  4. 6th January 2017, 05:56 PM #4
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    Turbo pressure only goes to 1.05 kPa foot to the boards going up slight hill in 2nd and 3rd gears which isn't even 1 psi

    I assuming turbo pressure is boost.....??
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  5. 6th January 2017, 06:18 PM #5
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    Quote Originally Posted by weeds View Post
    Turbo pressure only goes to 1.05 kPa foot to the boards going up slight hill in 2nd and 3rd gears which isn't even 1 psi

    I assuming turbo pressure is boost.....??
    Boost modulator
    If it is a disco by pass it and see how it goes then.
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  6. 6th January 2017, 06:34 PM #6
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    Quote Originally Posted by rangieman View Post
    Boost modulator
    If it is a disco by pass it and see how it goes then.


    It's a defender hence posting in the 110 section
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  7. 6th January 2017, 06:44 PM #7
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    Quote Originally Posted by weeds View Post
    It's a defender hence posting in the 110 section
    Ok no probs check the waste gate then could be seized
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  8. 6th January 2017, 07:57 PM #8
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    Quote Originally Posted by rangieman View Post
    Ok no probs check the waste gate then could be seized


    How do we check the waste gate?....

    I noticed waste gate opens 25% on nanacom under full load
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  9. 7th January 2017, 08:26 AM #9
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    Cleaned MAP, was all gunked up
    MAF looked clean but gave it a spray
    Wastegate, it moves maybe 15mm...how far does it move??
    Checked the wiring harness at injectors and it clean
    Disconnected MAF, may have gave me a little better performance but that might only be wishing

    No increase in turbo pressure reading
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  10. 7th January 2017, 10:35 AM #10
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    Quote Originally Posted by weeds View Post
    Nanocom tells me one error logged (1,7) AIR FLOW CIRCUIT, (LOGGED LOW)


    Replaced MAF and em no longer getting the fault.

    Disconnect the sensor on the air box with not real change......

    Still no turbo pressure on nanocom........it's driving fine around town up to 90km/hr. I must have boost otherwise I wouldn't be going anywhere and would probably have lots of smoke.

    Might need to hook the trailer.
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