Audi S4 and Direct Injection

[Y_K]

I am glad I talked my wife from taking delivery, she liked the paint job though:

DI and deposits

http://www.autoobserver.com/2011/06/direct-injection-fouls-some-early-adopters.html

 

[rpn453]

I suppose it's a good thing my buddy is sticking to Top Tier fuel in his '11 S4. I'll have to send him this link.

 

[chubbs1]

I have heard top tier fuel isn't even enough. We need a comprehensive thread on this topic for ideas facts and real world practices to keep these systems clean.

I have seen numerous posts on this topic lately, but no real answers to the problem. Maybe there isn't one. I am thinking MMO at every fill-up and 20% in the SUMP?

 

[Sayjac]

https://bobistheoilguy.com/forums/threads/direct-injection-fouls-some-early-adopters.156227/