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Thread: Hard to start, blue smoke and really rough idle.

  1. #1
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    Vehicle : Vectra

    Trim : Exclusive

    Engine : 1.9CDTi

    Year : 2007

    Default Hard to start, blue smoke and really rough idle.

    Have the car ('07, 1.9 120bhp) about 2 and a half years now, and she's got hard to start this past few months and has a good puff of blue smoke when she does. I can deal with this no problem and it just requires to heat her a few times and then she runs OK.
    Last year the camshaft sensor gave up on it and before realising it was it that was the issue I replaced heater plugs and starter motor.
    This past week or so, when the car starts (usually after my second attempt, after heating the plugs for 3 or 4 times), it's a very rough idle that shakes the whole car and when attempted to rev, very missy, but once warmed up a little she runs fine.

    At the weekend I took out the egr valve and the bit it's connected to (I'm not a very carsy person so don't know the name of it), and cleaned out all the soot from it, which helped a little but definitely isn't the cause of it.

    Any one any ideas on what could be the issue? And advise on what I can do to fix it?

    Cheers

  2. #2
    Regular Member Morty1977's Avatar
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    Vehicle : Vectra c

    Trim : Exclusiv

    Engine : 1.9cdti 43,000

    Year : 2009

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    Have you cleaned the boost sensor too? Mine was clogged up and runs miles better it’s on the back left of the manifold and is fastened by one Allen key

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    I haven't no, but I'll try that this evening

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    Well the sensor was clogged stupid with gunk.
    Got it nicely cleaned out so I'll find out tomorrow morning (when I start the car when it's stone cold) if it's helped any.
    Thanks for informing me about that sensor ��

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    Regular Member Morty1977's Avatar
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    No probs pal I found out about that sensor on here let me know if it helps in the morning

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    For anyone that stumbles across this thread, cleaning the boost sensor made a difference of night and day to the running of the car

  8. #7
    Regular Member Morty1977's Avatar
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    Glad it helped pal going to do mine every 6 months now I think

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