rich a/f

Hello everyone, need advice on still trying to trouble shoot this problem with negative fuel trims and afr ratio I have 2 other threads about this topic along with smoking issues and stalling out. the smoking and stalling issue was resolved with a newer turbo thanks to some members on this forum...

hello everyone, pretty new here and looking for advice. so I've been chasing down this problem for quite some time, it all started when i swapped my oem catted down pipe back on for emissions from my catless dp also during that process I decided to clean the egr valve and throttle body. When I...