Dec 18, 2009. #1. I've been doing a few logs in VCDS as i've removed my N249 valve and have been experimenting with different DV springs and reversing the DV. I have been monitoring the ignition timing (group 3 of the engine module) but I dont have a clue what is good and what is bad. Can anyone explain what should be safe maximum or minimum. . I am a fairly new TDI/VW owner, and didn't know about the required DSG service until I found this sub. I bought all the tools (filter socket, torx bits, and a fluid extractor, jack stand, etc..). I watched a whole lot of YouTube videos until I felt comfortable enough to do it. My stepson did the under car part, as I can't get down on the ground.. The timing chains are oil lubricated parts, it's important to always use good quality oil (5w30), maintain the correct. EA8888 timing chain check with VCDS - Skoda Octavia Mk III (2013 - 2020) - BRISKODA. By vrsalan, 29 August, 2018 in Skoda Octavia Mk III (2013 - 2020) Share. chrome wheels for harley touring. craigslist new orleans. On a Volkswagen jetta TDI 1998Using an OEM cable bought on eBay and a registered full copy of older vag-com 409.1Here is my video if you have no clue of how.