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VW Passat, Power loss and white smoke

  • 27-09-2012 6:32am
    #1
    dubguffer
    Registered Users, Registered Users 2 Posts: 26 ✭


    Hi, My son has a VW passat 2003 1.9tdi...It has developed a problem(Power Loss and white Smoke) which,according to a friend,could be the Turbo,,I'm just wondering, could it be anything less severe and costly...It only happened last night so hav'nt had a chance to look at it yet....Could it be a broken hose?..something to do with fuel??....Would appreciate some advice here ie. What to look out for etc....Cheers


Comments

  • #2
    Ronnie Beck
    Closed Accounts Posts: 1,452 ✭✭✭Ronnie Beck


    Possibly fuel pump timing, or a sensor(need diagnostics for that). You could check the fuel pump drive belt for anything out of the ordinary.


  • #3
    George Dalton
    Registered Users, Registered Users 2 Posts: 5,728 ✭✭✭George Dalton


    Ronnie Beck wrote: »
    Possibly fuel pump timing................. You could check the fuel pump drive belt for anything out of the ordinary.

    On a PD engine?


  • #4
    Nissan doctor
    Closed Accounts Posts: 8,223 ✭✭✭Nissan doctor


    Ronnie Beck wrote: »
    Possibly fuel pump timing, or a sensor(need diagnostics for that). You could check the fuel pump drive belt for anything out of the ordinary.


    As George says, it would be a PD engine.

    White smoke could well be a failed turbo or possibly a head gasket issue.


  • #5
    Ronnie Beck
    Closed Accounts Posts: 1,452 ✭✭✭Ronnie Beck


    George Dalton wrote: »
    On a PD engine?

    Oops, I'm still livin' in the 90's george.


  • #6
    dubguffer
    Registered Users, Registered Users 2 Posts: 26 ✭dubguffer


    Hey Lads...Thanks for that....Assuming it is the Turbo thats gone...Would it have caused any damage to anything else when it went?...Is there anything else that needs to be checked when replacing the Turbo itself?...Thanks


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  • #7
    Nissan doctor
    Closed Accounts Posts: 8,223 ✭✭✭Nissan doctor


    dubguffer wrote: »
    Hey Lads...Thanks for that....Assuming it is the Turbo thats gone...Would it have caused any damage to anything else when it went?...Is there anything else that needs to be checked when replacing the Turbo itself?...Thanks



    If it is the turbo and its blowing white smoke it means that its leaking from the turbine(exhaust) side so any leaking oil will only be making its way into the exhaust, as opposed to into the intercooler/throttle body etc if it was the compressor side, which would also be blowing blue smoke.

    If your coolant level hasn't dropped at all then that would rule out a head gasket failure as the cause.


  • #8
    visual
    Closed Accounts Posts: 3,267 ✭✭✭visual


    the ERG valve can get caked up with the burned carbon from the oil.
    Be worth taking it out and cleaning it with carb cleaner.

    while your at it check the intercooler hoses and if very oily clean it out and check for leaks.


  • #9
    Nissan doctor
    Closed Accounts Posts: 8,223 ✭✭✭Nissan doctor


    visual wrote: »
    the ERG valve can get caked up with the burned carbon from the oil.
    Be worth taking it out and cleaning it with carb cleaner.

    while your at it check the intercooler hoses and if very oily clean it out and check for leaks.


    EGR/intercoolers etc getting oil contamination would only happen if the oil seals on the turbine side of the turbo where leaking which would also cause blue smoke, not white.


  • #10
    visual
    Closed Accounts Posts: 3,267 ✭✭✭visual


    Nissan doctor wrote: »
    visual wrote: »
    the ERG valve can get caked up with the burned carbon from the oil.
    Be worth taking it out and cleaning it with carb cleaner.

    while your at it check the intercooler hoses and if very oily clean it out and check for leaks.


    EGR/intercoolers etc getting oil contamination would only happen if the oil seals on the turbine side of the turbo where leaking which would also cause blue smoke, not white.

    Turbo seals can go at both sides and the colour is grey with a diesel not blue unlike a little oil leak in a petrol.


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