Mod Note : Please continue the discussion in our Engine Decarbonisation Article (Engine Decarbonising - Demystified). Thanks
Originally Posted by sgiitk
The best decoking is a run of 30 minutes or so with the throttle open (as far as the law allows) on a highway.
Or you could rev in 3rd gear and maintain approx 80 kmph for a couple of minutes. The Egr and exhaust would be cleaned up pretty well.
Last edited by GTO : 13th March 2013 at 11:57.
Reason: Adding thread closure note + link to article