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Opinion needed pls

bree9482 Nov 26, 2013

  1. bree9482

    bree9482 Member

    Hi guys,

    been fighting a loosing and expensive issue with my 03, AUQ, 1.8t Leon Cupra. I know this is ASN but the likes of tuffty, prawn, klappe, badger5 are all on here and not to discount anyone else but you guys seem to know the 1.8t inside and out !!

    I have posted a few time with this issue and not really got anywhere, but today l was getting a small weld on my backbox done and noticed something new !!

    There are 2 lambda sensors on this car, but the 1 in front of the cat has a massive long cable ?? Its been tie wrapped up so as not to hang down, but surely this cant be correct !!

    So my question is, if its the wrong lambda sensor could it cause a hesitation around 2k revs??

    No codes at all, mpg down a little 22.4mpg on a short city run(just changed thermostat tho)

    Cheers guys
  2. <tuffty/>

    <tuffty/> Badger 5 Edition...Its all about the flow... Staff Member Moderator Audi S3

    Generic Bosch wideband lambda probes (from GSF/ECP etc) have a longer cable than the OE part (same sensor but cable is a specific length for the OE application)

    I have one of these sensors on my S3... cable is cable tied behind my heatshield... perfectly ok...

    The wideband sensors have different plugs to the narrow band ones so no danger of mixing them up... if you have a different manufacturer from Bosch then tbh I would advise only using a Bosch one...

  3. bree9482

    bree9482 Member

    Thanks tuffty spot on as usual !!

    :( means im still searching then.... FML !!!

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