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Thread: lupo 1.7 sdi

  1. #1
    Member R0b3rt's Avatar
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    lupo 1.7 sdi

    hi guys just noticed a problem and wondered if you knew of the cause when i start the car it starts up first time but is very slugish and blows a lot of white smoke not blue or black as i thought it be oil or crap but its white and is sluggish to run for 2 mins then runs fine and smooth no issues it has no other issues on start up could it be the glow plugs ???


  2. #2

    Re: lupo 1.7 sdi

    Could be, just check them to find out.


  3. #3
    2nd Gear paulmay79's Avatar
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    Re: lupo 1.7 sdi

    The glow plugs are only an aid to start mate.They arnt constantly firing like a spark plug. You can start a diesel without them its just a pain.

    "The Bora is to the golf as the Belmont is to the astra" Richard Richmond (Rolls-Royce Plc)

  4. #4
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    Re: lupo 1.7 sdi

    You have one or more duff glow plugs. Used to be glow plugs were on only for the first 10 seconds or so, the glow plugs these days can be on for several minutes if it's cold enough. The white smoke is unburnt diesel from the cylinder thats not firing getting into the exhaust and then being vapourised. Best to replace all 4 as if one or more has gone the others won't be far behind. You can check them with a multimeter should be less than 1 ohm so almost looking like a short.
    When you take them out do it on a warm/ hot engine as they are less likely to seize and snap off. If one really doesn't want to come out leave it. It may be Ok and you don't really want to be taking the head off.

    Karl.

    207Bhp 345Lb/ft 14.95 seconds 93mph http://www.staffs-vw.co.uk/staffs-vw...tdi-wagon.html

  5. #5
    2nd Gear DENTOUT's Avatar
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    Re: lupo 1.7 sdi

    Black smoke; unburnt fuel
    Blue smoke; burning oil
    White smoke; burning water/coolant...

    Sounds like a headgasket to me..

  6. #6
    2nd Gear
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    Re: lupo 1.7 sdi

    Is it like this

    If so check the glow plugs.

    Karl.

    207Bhp 345Lb/ft 14.95 seconds 93mph http://www.staffs-vw.co.uk/staffs-vw...tdi-wagon.html

  7. #7

    Re: lupo 1.7 sdi

    As Karl says check the resistance, it's easy for everyone to tell you its x, y or z from behind their computer.

    We always get people phoning and saying that someone on a forum says the fault is caused by a certain part, they don't want to pay for us to look into a problem but then when we fit the part suggested on a forum and it doesn't fix it they don't like getting charged for that either and want us to send the part back.

    Just my 2p worth

  8. #8
    2nd Gear DENTOUT's Avatar
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    Re: lupo 1.7 sdi

    Quote Originally Posted by BVR Dave View Post
    As Karl says check the resistance, it's easy for everyone to tell you its x, y or z from behind their computer.

    We always get people phoning and saying that someone on a forum says the fault is caused by a certain part, they don't want to pay for us to look into a problem but then when we fit the part suggested on a forum and it doesn't fix it they don't like getting charged for that either and want us to send the part back.

    Just my 2p worth

    Not just ure 2p worth, I agree totally!

  9. #9
    Member R0b3rt's Avatar
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    Re: lupo 1.7 sdi

    yeah thats how it sounds and runs then after a few seconds runs fine .................. hmmmm
    Quote Originally Posted by Desertstorm View Post
    Is it like this

    If so check the glow plugs.

    Karl.

  10. #10
    2nd Gear DENTOUT's Avatar
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    Re: lupo 1.7 sdi

    Hows it going with this issue? Better in the warmer weather? Mine is!

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