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  • 1kd power issues

    Hi,
    Im only new to this but I have a 1kd that is down on power and know it is possibly intake manifold or map sensor. What I am asking is can anyone help me with a manual that I can have a read and get an idea before I jump in and pull manifold off and start cleaning. I am mechanically minded but never work on a diesel. this probably has been posted before.
    Thanks Chris

  • #2
    Hi Chris

    I would very much doubt it is your map sensor as your engine light would come on. Intake manifold unlikely (you could remove the throttle body tube and check for soot build up). Check the electrical plug is connected to the stepper motor on your turbo. If you have a fault code reader, check for active fault codes. Stepper motor will bring up code P1251(34). Check vacuum lines also.

    Shane

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    • #3
      Hi Chris
      how far is Cooroy from you ? you could speak to Rob at Chapman's Auto's
      2008 Dune D4D manual GXL update - with lots of fruit !! + Roma Razorback Off Road Van

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      • #4
        Thanks for the replies I have been speaking with some mechanics I deal with in my job and trying to follow their advice I have put scan tool on it (I have easy access to one) and I have no codes and the map sensor is only reading will only go 115kpa on live data. I have been told to start with that and work from there.
        my reason for wanting to clean the intake is it just over 200 000km on it and that is possibly the problem. been told by many people they build up with carbon.
        any way thanks again guys.
        Chris

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        • #5
          clean the map sensor filter (little white round filter under the LH side of the cover over the inter cooler & MAF meter in the air box
          see how much oil is present as the map filter might be cracked
          2008 Dune D4D manual GXL update - with lots of fruit !! + Roma Razorback Off Road Van

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          • #6
            Cleaning the MAF sensor would be my first think.
            Greg - 08 D4D Prado,
            Some trips done - Cape York, Fraser Island, Simpson Desert / Central Aust, Vic High Country.

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