Classic Audi - View Single Post

msh · 25-10-14, 08:41 PM

I'll take a guess to mixture - either caused by ageing control pressure regulator or some small air leak - cold engine gets additional fuel by cold start valve while warm is unlikely to get such enrichment. But that's just guess.

25-10-14, 08:41 PM	#11
msh 4 ring whore! Join Date: Jun 2008 Location: Rucava, Latvija Posts: 3,816	I'll take a guess to mixture - either caused by ageing control pressure regulator or some small air leak - cold engine gets additional fuel by cold start valve while warm is unlikely to get such enrichment. But that's just guess.