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  1. #1

    Join Date
    Feb 2012

    2002 s3 cold start - changed cts, got a couple of codes, advice please!

    Hi guys and gals,

    Last few weeks I've been getting a nasty cold start, very lumpy and up and down the revs. Also, with a bit of lumpiness until it reaches full temp. Initial thought was cts so just changed that now. Still slightly lumpy after changing it. Stuck in code reader and got 16705 which seems to be the engine speed sensor, so ill look at getting that changed but also got 16486 and I can't seems o find anything about that apart from on passat w8's! Which seems to relate to some kind of sludge build up problems or related to misfire issues.

    anyone had this, or similar? Would be really grateful for any advice.



  2. # ADS
    Join Date
  3. #2

    Join Date
    Feb 2012
    That was weird, re-searched and came p as maf all over... Think I mis-typed my first google search sorry all!!



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