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Thread: turbo pressure

  1. 9th July 2016, 07:45 AM #1
    thai_tiger's Avatar
    thai_tiger
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    turbo pressure

    Trying out the nanocom found low turbo pressure, whilst not fast off the mark it doesn't seems down on power. The reading peaks at 1.12kpa under load. Any ideas !


    thx in advance.
    Last edited by Homestar; 9th July 2016 at 08:07 AM. Reason: Fixed thread title
    Cheers tt




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  2. 9th July 2016, 07:56 AM #2
    rob tilbury
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    there is a post on here that says the same thing ,, cat was blocked

    there is a post on here that says the same thing ,, cat was blocked

    He put a decat pipe on and fixed the problem .

    maybe worth looking at ??
    HIH
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  3. 9th July 2016, 07:59 AM #3
    rob tilbury
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    mine was at 14 psi

    yours is 1.12 bar = 16psi

    mine was .95 bar .. with the decat

    i boosted it up ,,, didnt make that much difference

    what mods have you done ?
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  4. 9th July 2016, 08:17 AM #4
    discorevy
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    Low boost logged fault can mean a previous fault ( eg intercooler hose came off) that wasn't cleared . 1.12 bar (as long as bar was what you meant ) wouldn't give that fault code . shorten the wastegate rod by one and a half turns , for a little improvement.....also clean your maf and map sensors and yep a decat is a good idea
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  5. 9th July 2016, 09:17 AM #5
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    Fluids
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    Nanocom on mine reads 1.28-1.32 at WOT under load (18.56-19.14 psi)

    IIRC I went 4 turns to get it to that setting,

    CAT gone ......
    Kev..

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  6. 9th July 2016, 12:20 PM #6
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    No mods absolutely standard, will try map maf clean and turn of the boost but as said it might be the cat, It does make a fair rattle especially from cold.
    Its only done 90k but previous owner only ever did short journeys so could be buggered.


    can you recommend were to get a decat pipe.


    thx
    Cheers tt




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  7. 10th July 2016, 07:11 PM #7
    Jazzman
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    Quote Originally Posted by thai_tiger View Post
    No mods absolutely standard, will try map maf clean and turn of the boost but as said it might be the cat, It does make a fair rattle especially from cold.
    Its only done 90k but previous owner only ever did short journeys so could be buggered.


    can you recommend were to get a decat pipe.


    thx
    Roverlord off road spares. Forum vendor.
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  8. 10th July 2016, 10:58 PM #8
    discorevy
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    Yep , roverlord ....or a local exhaust shop could replace with standard 2 1/2" pipe , or get a non cat pipe off any early (10p engine)td5 disco from a wreckers
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  9. 11th July 2016, 05:13 AM #9
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    turbo pressure

    I was the one who fixed all my boost issues with a decat pipe mine only went to around 8psi under load and black soot high egts
    Already had silicon hoses egr removal waste gate rod adjustment
    Only replaced cat cause it rattled at idle and when I fitted and test drove bingo straight to over boost
    Adjusted back and now Been on over a week it's a whole new car egt dropped by 250/300 degrees boost sits on around 18 psi on full noise fuel economy back and no vibrations
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