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Thread: Passat B6 Injector Replacement

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  1. Passat B6 Injector Replacement 
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    Hi All,

    First post here!

    Car has broke down twice this week. Stalls and then no start. I went to it on Monday when it happened and it fired straight up. Plugged in a cheap code reader which brought up nothing. Wife had said it came up with a warning "garage now". I changed the fuel filter as a precaution and it ran ok all week.

    Same happened again today tho! Wife got AA out who plugged in diagnostics and got fault codes P2146 and P1517. After doing a bit of reading on here and other places I'm thinking I have an injector down.

    Being a fairly competent mechanic (more so on marine diesels) I was going to try and do it myself. Injector look easy to get to and remove. My question is, do they need pairing with the ECU once replaced?

    Cheers all
     
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  2. Re: Passat B6 Injector Replacement 
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    What engine code is it and year?
     
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  3. Re: Passat B6 Injector Replacement 
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    Apologies. Its a 2008 57 plate. Codes according to AA report are P1040, P2146 and P1517.
     
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  4. Re: Passat B6 Injector Replacement 
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    Quote Originally Posted by DieselMonster View Post
    What engine code is it and year?
    Apologies. Its a 2008 57 plate. Codes according to AA report are P1040, P2146 and P1517.
     
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  5. Re: Passat B6 Injector Replacement 
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    Just re-read the reply. I don't have the engine code yet, will get it tonight when I get home
     
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  6. Re: Passat B6 Injector Replacement 
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    Quote Originally Posted by DieselMonster View Post
    What engine code is it and year?
    Engine code is BKP, 2008
     
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  7. Re: Passat B6 Injector Replacement 
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    I would change the engine power supply relay first, the J317 on the under bonnet relay box with 100 or 458 on top and change it for the new design 4H0 951 253 with 644 on top, 20.68 from VW. If the problem persists, replace number 1 injector.
    Dark was that day when Diesel conceived his grim engine that begot you, vile invention, more vicious, more criminal than the camera even, metallic monstrosity, bale and bane of our culture, chief woe of our Commonweal. How dare the Law prohibit hashish and heroin yet license your use, who inflate all weak inferior egos? Their addicts only do harm to their own lives: you poison the lungs of the innocent, your din dithers the peaceful, and on choked roads hundreds must daily die by chance-medley. Nimble technicians, surely you should hang your heads in shame. Your wit works mighty wonders, has landed men on the Moon, replaced brains by computers, and can smithy a "smart" bomb. It is a crying scandal that you cannot take the time or be bothered to build us, what sanity knows we need, an odorless and noiseless staid little electric brougham.

    W.H. Auden (1907-1973), A Curse:
     
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  8. Re: Passat B6 Injector Replacement 
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    Okay, to remove injectors, valve/cam cover needs removing. Then rocker shafts need removing. Then the injectors can be removed. You need a special VW tool or a home made slide hammer. They don't come out easily. The injector harness is very prone to failure too so that may need replacing if you damage it when removing it off the injector. Then when installing the injector, you need new injector seals, bolts, rocker bolts and adjust the injector position/lash and torque all bolts down with torque wrench following proper bolt sequence. For a first timer, it isn't straight forward, I haven't had the pleasure of doing it but there are many steps.

    If you need a proper guide on doing it I can provide it, that is if you choose to do the job yourself.

    Check your DM too.
     
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  9. Re: Passat B6 Injector Replacement 
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    Quote Originally Posted by Crasher View Post
    I would change the engine power supply relay first.
    Thanks, will have look for a new one
     
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  10. Re: Passat B6 Injector Replacement 
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    Quote Originally Posted by DieselMonster View Post
    Okay, to remove injectors, valve/cam cover needs removing. Then rocker shafts need removing. Then the injectors can be removed. You need a special VW tool or a home made slide hammer. They don't come out easily. The injector harness is very prone to failure too so that may need replacing if you damage it when removing it off the injector. Then when installing the injector, you need new injector seals, bolts, rocker bolts and adjust the injector position/lash and torque all bolts down with torque wrench following proper bolt sequence. For a first timer, it isn't straight forward, I haven't had the pleasure of doing it but there are many steps.

    If you need a proper guide on doing it I can provide it, that is if you choose to do the job yourself.

    Check your DM too.
    Good stuff thank you! Is it worth checking the injector loom first? Had a google and it seems pretty straight forward?
     
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