NefMoto

Noob Zone => Noob Questions => Topic started by: Grimyqtips on November 18, 2024, 07:01:28 PM



Title: Negative knock
Post by: Grimyqtips on November 18, 2024, 07:01:28 PM
I recently flashed my Mk4 Gti with a Eurodyne Stage 1 tune. I've been logging and noticed a significant amount of negative knock, up to negative 12. I am looking for resources addressing this issue since I'm new to tuning and want to learn. What do these values mean? Are they pulling or adding timing? Should I be concerned? And if it is something bad what can I do? Attached is the datalog showing the issue. Thanks!


Title: Re: Negative knock
Post by: prj on November 19, 2024, 04:36:31 AM
I would flash it back to stock, or find better gas.
If you continue like this then pretty high chance you will need an engine.