rossmacanderson Posted July 11, 2014 Report Share Posted July 11, 2014 Hi - So I've had the my 2003 1.0l e Lupo a few weeks and the 'emissions' light came on. Took it to my bro in law who is a mechanic at Newcastle Audi, he plugged it in and it was a Cat related code - lean flow perhaps?Anyway it has been making a slight blowing noise so he suggested that is could be a manifold or gasket problem. Ive sen that manifolds can go on this engine - its done 96k - so took a look around and this is where I am confused...He says (and I totally believe him) that the manifold and cat on my car are a one piece item - fair enough - but I just cant find anywhere that sells replacement one piece parts? I've found separate Cats that seem to fit my year of car, but I've had zero luck finding a combined manifold and cat.He ran a quote through the Audi system and it came back at £415 for it - no way am I paying that! Car seems to run ok - bar that slight blowing - haven't had it long enough to see if ite effecting my mpg or not.Can someone help me out by shedding light on my exhaust system design and where I may be able to get the parts. So far Euro Car Parts and ebay have turned up nothing...ThanksRoss Quote Link to comment Share on other sites More sharing options...
nellytheelephant Posted July 11, 2014 Report Share Posted July 11, 2014 if its like mine which is a one liter it has a pre cat and a cat buy a four to one decat manifold off ebay improves it a bit doesnt fail emisions maked them a tad high though but ok if leave second cat in i payed about sixty for one but they retail about a hundred Quote Link to comment Share on other sites More sharing options...
rossmacanderson Posted July 14, 2014 Author Report Share Posted July 14, 2014 Mine is the AUC 1.0 engine - my mechanic didn't say anything about a pre-cat so just assumed it was the cat attached to the manifold.Id need to see a diagram of the exhaust to be sure but thanks for the reply! Quote Link to comment Share on other sites More sharing options...
HDH Posted July 14, 2014 Report Share Posted July 14, 2014 http://www.eurocarparts.com/ecp/c/Volkswagen_Lupo_1.0_2001/p/car-parts/car-body-parts-and-car-exhaust/exhausts/catalytic-converter/?724441550&1&a5eb5ae05ae5a1d913c7053c44cd526f408fe7dd&000059Have you felt a blow anywhere ? Could be a gasket Quote Link to comment Share on other sites More sharing options...
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