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Thread: 1.9 CDTI fault code P2279-11

  1. #1
    Regular Member mozzer99's Avatar
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    Default 1.9 CDTI fault code P2279-11

    Hi,
    I have a 2005 vectra 1.9CDTI (150).
    Just bought it at auction (gulp). turns out it was only going well enough to drive slowly through the auction - hmmm.
    It was (and is) very low powered with the spanner light on. It can barely make it up a hill. don't know if limp mode is normally that slow?

    Using this valuable forum I soon found out that my intake manifold was well knackered. Obtained and fitted a new one complete with actuator.
    No difference.
    Op com gives one fault code of P2279-11 intake air system leak detected.
    New airfilter.
    EGR taken off and cleaned, it was free anyway. Using op-com to activate the EGR proved it to be working.
    Checked the intercooler and hoses by putting my hand across the air to turbo intake hose and it had very high suction - presumably if any of that pipework was leaking there would have been little suction?

    Any of you help me where to go next please? Worth many beer tokens (a few mates from work saw me buy it and I can't live it down).......

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    Regular Member Driver0069's Avatar
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    rolleyes

    Got same code and same problem going in to garage on monday to sort out will let you know
    what they find ?

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    Regular Member mozzer99's Avatar
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    Default

    Quote Originally Posted by Driver0069 View Post
    Got same code and same problem going in to garage on monday to sort out will let you know
    what they find ?
    Plainly I'll be very interested in what they find! Thanks

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    Regular Member benny's Avatar
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    Default

    dpf is blocking up ....2279 is when the dpf is bloking / blocked and the ecu has no idea where the presh is comeing from ...

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    Regular Member mozzer99's Avatar
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    Default

    Hi Benny,
    I remember you from conversations about my Vectra B DTI four years ago - you gave me the confidence to do my own injector seals (been fine since).
    Looks like I might need to owe you more beer tokens!
    Just a thought -shouldn't the DPF give an error code as a significant difference between the before and after sensors?
    Apart from replacement is there anything I can do to test, i.e. take it out and have a look!
    Big thanks for your help

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    Regular Member barney490's Avatar
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    Default

    first check it has a dpf, unless its an auto or estate, its likely not to have one. if it has, remove it, block one end off, stand it on end, fill with alloy wheel cleaner, (about £18 per 5ltr bottle), leave overnight, blast out with pressure washer,allow to air dry and refit. I am assured by a contact at a SAAB specialist thats what they do with dpf's and have had 100% success rate. when mine gets so bad, this is what i am going to do, currently its 78% saturated according to op-com.

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    Regular Member mozzer99's Avatar
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    Default

    Quote Originally Posted by barney490 View Post
    first check it has a dpf, unless its an auto or estate, its likely not to have one. if it has, remove it, block one end off, stand it on end, fill with alloy wheel cleaner, (about £18 per 5ltr bottle), leave overnight, blast out with pressure washer,allow to air dry and refit. I am assured by a contact at a SAAB specialist thats what they do with dpf's and have had 100% success rate. when mine gets so bad, this is what i am going to do, currently its 78% saturated according to op-com.
    Thanks for the info,
    I have a gallon of wheel cleaner, so that's a great tip.
    I have the estate model- why should estate owners be burdened with one?
    I'll get underneath tomorrow and take a look.
    Big thanks for the help

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    Regular Member barney490's Avatar
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    Default

    oh, be prepared for some crud to come out so be careful where you pressure wash. That oily sooty garbage dont half make a mess.

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    Regular Member mozzer99's Avatar
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    Quote Originally Posted by barney490 View Post
    oh, be prepared for some crud to come out so be careful where you pressure wash. That oily sooty garbage dont half make a mess.
    Thanks again for the warning, my missus hasn't forgiven me for cleaning out my old 2.0 DTI inlet manifold in a corner of the garden, it's never recovered.

    Last edited by mozzer99; 26th June 2010 at 22:39. Reason: add pic

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    Full Member Aikon58's Avatar
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