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First start of the day puff of grey smoke

Discussion in 'A4/S4 forum(B5 Chassis)' started by billybaggins, Apr 1, 2013.

  1. billybaggins

    billybaggins New Member

    Mar 25, 2013
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    My first cold start up of the day is with a fairly big puff of grey looking smoke. Its also not the quickest to fire up, i turn the key three times before starting for the glow plugs to heat up properly.

    Any ideas whats causing this? CTS?

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  3. Nessy

    Nessy VW + Audi mad

    Oct 18, 2005
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    I've no idea of what faults can cause starting issues, but I can say that new glow plugs can make a world of difference.
    My car started to be a bit 'chuggy' when started for a second or two, when it would just run a bit rough etc, it made the car feel a bit banger-ish lol.
    So, about a year or so ago at the 200k mile mark I renewed all 4 plugs with Beru replacements (Beru are apparently the OEM ones) and the transformation was amazing.
    Instant smooth starting in sub-zero temperatures , no more puffs of smoke on start-up.
    The forum threads I read were full of doom and gloom about how easy the plugs are to snap-off and what a foul job glow plug replacement is etc etc but the job was a piece of cake.
    The only special tool needed was a very thin-walled long reach 7mm (IIRC) socket to get the plugs out....

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