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Thread: Hunting throttle D2a TD5

  1. 6th February 2015, 06:09 PM #21
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    bronson
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    Hi discoverey,

    My car doesn't run via the wastegate modulator, the turbo just runs via the intercooler pipe and bypasses the modulator. The wastegate rod has also been shortened to raise the boost. Is there some connection there do you think?

    Cheers
    Bronson
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  2. 6th February 2015, 11:46 PM #22
    discorevy
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    What are your boost pressures when it happens?
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  3. 7th February 2015, 07:03 AM #23
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    bronson
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    Only low pressure at 2k, Max's out to about 220
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  4. 7th February 2015, 11:36 AM #24
    discorevy
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    When you next drive it , have a look at your airflow readings when the problem occurs , could be anything from delaminated intercooler hoses to dirty map sensor , to badly oiled up intercooler, as it seems to be when the turbo is spooling up from what you are saying. Is it a miss or more of a stutter? . are there any logged faults?
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  5. 12th February 2015, 09:03 PM #25
    Jazzman
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    Problem rectified by replacing the boost modulator, very easy fix. Thanks for your advice.
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