× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
Audi 3.0L/3.2L P0491 and P0492
Posted to Technical Discussion Forum on 7/22/2025 1 Reply

For those that have done the carbon passageways cleaning in the heads, what is your preferred method? This looks ugly either by using a $1200 water cannon or by pulling the front apart and removing the exhaust manifolds.

I also don't understand the passa... Login to read more.

1 Replies Received (View Replies)