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My exhaust is VERY dirty

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I have an APR map on my car, I don't often give it the full beans, and have noticed (especially after I cleaned the tailpipes at the weekend) that the tailpipes are getting very dirty. I know that when it's not far off being redlined, the car can overfuel to keep the turbo cool (that's what I learned on here) but there's enough soot chucked out of my car that it has collected on the tailgate. Did I mention it's a TFSI?! :)

Is this just what it's like? Not using any more oil than I would expect (I think somewhere in the region of 2 litres over about 8,000 miles in a 10 month period), just a touch surprised.

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It would need a flap wheel to get the worst of it off I think, but something like Autofinesse Mercury or Britemax on a cloth or 00 wire wool does the job OK.

It's just come back VERY VERY quickly. I haven't really looked at it in much detail but I had to buy some 95 petrol earlier and switched to the 95 map from the 98. Don't know if that's had an effect or not.

I'd head over to the Fabia forum, there are a few vRS owners really feeling the pain with excessive oil consumption of which a symptom is oil/soot spread up over the back of the bumper/boot.

One litre over 4,000 miles sounds quite high to me, I'm sure there are other petrol vRS owners on here who's cars don't use any oil at all between services, they might not be mapped though...

I'd head over to the Fabia forum, there are a few vRS owners really feeling the pain with excessive oil consumption of which a symptom is oil/soot spread up over the back of the bumper/boot.

One litre over 4,000 miles sounds quite high to me, I'm sure there are other petrol vRS owners on here who's cars don't use any oil at all between services, they might not be mapped though...

And EvilMyagi is using a litre every 500 miles and a spark plug every couple of thousand on his Fabia vRS!

  • Author

My (original) spark plugs at 60k looked absolutely fine.

I did slightly overfill with oil recently and occurred to me that might be part of the issue.

I wouldn't worry too much, my TFSI uses a litre or two between services. Perhaps your usual journeys are fairly short or stop-start rather than steady motorway trips?

Apr run quite a rich mixture which is good for your car, the downside is you'll get more soot.

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I wouldn't worry too much, my TFSI uses a litre or two between services. Perhaps your usual journeys are fairly short or stop-start rather than steady motorway trips?

VERY short, VERY stop start too and I run the 10w/40 stuff rather than the thinner fully synthetic designed for the interval/variable servicing too.

Apr run quite a rich mixture which is good for your car, the downside is you'll get more soot.

That's good to know, that makes it sound more normal. Incidentally I am getting up to 3 or 4 mpg improvement over the Motech map I had since going for an APR map.

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