Hi guys i have a a3 running revo stage 2.5 and have recently fitted a decat pipe and since doing this it smokes quite bad on idle not blue smoke/oil just smells normal. any ideas wat can be causing this thanks
Did you have the post cat lambda sensor turned off?
If you didnt that may be the problem. Failing that i would get the car logged and checked with vag com.
A cat will hide a few things... worn engine parts being one of them.
Charge pipes have small amounts of oil, turbo was rebuild only 12k ago but it does have a hard life so maybe it time for second rebuild, or hybrid time if it still smokes be stem seals I guess, thanks for replys.
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