Q5 Carbon on exhaust tips
#1
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Q5 Carbon on exhaust tips
Does anybody have advice for removing the carbon build-up on the chrome exhaust tips on a 2014 2.0T? I hand wash the car several time a week and when it was new the carbon came off very easy. Now at 4,100 miles it no longer wipes off with a towl or sponge and is getting harder to remove. Any tips?
#3
Does anybody have advice for removing the carbon build-up on the chrome exhaust tips on a 2014 2.0T? I hand wash the car several time a week and when it was new the carbon came off very easy. Now at 4,100 miles it no longer wipes off with a towl or sponge and is getting harder to remove. Any tips?
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I've used NeverDull - in a blue can - in the past with very good results. It's a chemically treated cotton that doesn't scratch.
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I'm pretty sure we are 10% ethanol as well. What octane gasoline are you using. My dealer told me when I bought the car to run 89 octane. I questioned him since the owners manual says to run premium fuel. He explained that premium fuel in Germany is 89 octane.
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#8
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I alternate between mid-grade (89 octane) and premium (91).
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Does anybody have advice for removing the carbon build-up on the chrome exhaust tips on a 2014 2.0T? I hand wash the car several time a week and when it was new the carbon came off very easy. Now at 4,100 miles it no longer wipes off with a towl or sponge and is getting harder to remove. Any tips?
#10
AudiWorld Super User
I've owned four vehicles with DI, and the only one that didn't have a lot of tailpipe soot was an F150 which was 90% highway driven.
Last edited by NABS4; 01-10-2014 at 03:11 PM.