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  1. Fabia SDi - Problems 
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    Hi All,

    Used this forum alot to help me with various things here and there but now I have become very stuck and need some advice/help!

    I have a 2002 Fabia SDi - It has a few problems:

    Rough running when started
    Blows out loads of smoke when driving along

    It has been like this since I purchased it. I have run a few tests on VAG-Com (attached) which leave me a little puzzled.

    I'm going to start with changing the Fuel filter, T-Piece and giving it a good service but the test leave me thinking that its either the injectors are gone or the timing is out.

    Any help at all appreciated!
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  2. Re: Fabia SDi - Problems 
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    try unplugging your MAF sensor and going for a run.
    Sorry just realised it's SDi , don't think they have a MAF sensor. Check for air getting into the fuel at the filter connections, worn camshaft, I think pump timing looked ok on VCDS, consider a compression and injector test once you've exhausted the easy cheap options. Possibly fuel pump fault which could be expensive. how many miles has it done?
     
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  3. Re: Fabia SDi - Problems 
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    What are the binary values in fields 2 and 4 of group 017?
    Anthropogenic climate change, the biggest con inflicted on mankind since religion...

    Slava Ukraini
    !


     
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  4. Re: Fabia SDi - Problems 
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    Hi Rob 69 - I don't think my SDi has a MAF but i will double check and try if it does.

    Hi Crasher, I did not read that value, I will tonight when I get back after the drive home. Are there any other groups I should get data from to help?

    Thanks!
     
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  5. Re: Fabia SDi - Problems 
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    The groups with useful data are

    Ignition on engine NOT running

    006 block 2

    007 block 1

    019 blocks 1 & 2

    At idle

    000 blocks 1, 2, 3, 4, 6, 7, 8 & 9

    001 blocks 1 > 4

    002 blocks 2 & 3

    003 block 4

    004 blocks 2 > 4

    013 blocks 1 > 4

    016 blocks 2 > 4

    WOT, hot in 3rd or 4th gear @ 3K rpm

    000 1 > 4 & 6 > 9

    004 2 > 4

    008 2 >4
    Anthropogenic climate change, the biggest con inflicted on mankind since religion...

    Slava Ukraini
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  6. Re: Fabia SDi - Problems 
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    Crasher, hope I have done this right!

    Pic 1 - Ignition on 006/007/019

    Pic 2 - At idle cold 000/001/002
    Pic 3 - At idle cold 003/004/013
    Pic 4 - At idle cold 016

    Pic 5 - At idle warm 000/001/002
    Pic 6 - At idle warm 003/004/013
    Pic 7 - At idle warm 016

    Pic 8 - 3000rpm of there about in 4th gear - 001/004/008

    Also, log of 001/004/008 whilst driving home, the beginning of the drive was fine, then lots of smoke!
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  7. Re: Fabia SDi - Problems 
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    Pic 6/7/8 - log won't upload here.
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  8. Re: Fabia SDi - Problems 
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    Ok, I'm going out on a guess here, however reading around and looking at all the logs it looks to me that the timing is out due to an incorrectly fitted cambelt?
     
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  9. Re: Fabia SDi - Problems 
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    I don't like what injector 4 is doing and 004/3 is way out under load so yes, COI and valve timing.
    Anthropogenic climate change, the biggest con inflicted on mankind since religion...

    Slava Ukraini
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  10. Re: Fabia SDi - Problems 
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    So, just to sum this up,

    COI (what is COI short for? *Commencement of Injection*) and valve timing - Get the cambelt done and the timing adjusted correctly (It's due a change in 2017 so may as well get it done now!)

    Injector 4 - Keep tabs on this after a belt change and see what happens - maybe replace?
    Last edited by cool_dood01; 15-12-2016 at 11:15 PM. Reason: Commencement of Injection
     
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