Veloster n jb4 map 3. May 11, 2020 · Is anyone able to tell me what the configurations for the various maps on the JB4 are? Also, I am wondering what stock boost levels are with the performance package veloster n and how much boost is increased with the JB4 maps. So who's to say it's some other issue or the cold winter weather. Nothing seems to be causing issues, until I started getting engine rpm hesitations when flooring it. I ran map 3 for a month or two. Jul 12, 2020 · Boost is indexed off gas pedal input so it will only make more boost when you floor it. Map3 may require higher octane than 93. The car was noticeably faster than map 2 though. So I was worried about long term damage to the lines and components. Apr 6, 2021 · Map 3 requires e30, the problem is that our fuel system is only rated for e15. But then again, it happened on map 2 as well. Apr 19, 2022 · The JB4 is a plug and play tuner that plugs in to easy access sensors in the engine bay and works with your factory ECU tuning to remap your boost, timing, and fueling for optimal performance and reduced turbo lag. Jan 30, 2022 · Hey guys, currently on Jb4 map 3 with 94 octane and VR octane booster (essentially raises points to 102octane) I understand for map 5 you should obviously use race fuel, but living in Canada only way to go about that would being buying cans online which isn’t feasible long term. I would stick to map 2 or custom and others have said. I did not encounter any issues when I ran it, or after returning to map 2. We've also got the in dash map switching so you can change maps on the fly when you want! Main thing for performance is octane/E85 mix being used. A subreddit for Veloster N owners and potential buyers to seek help and have discussions related to the car. . yso aucja sxqm qse ykeo htg flgcg ajo pkkpc eden