Hi guys I just install jb4 have the wires and plugs upgraded cold air intake BMS but still have a lot of lag currently just plugged but fills sameEtc

[Jerry v]

JB4 connected spark plugs upgraded Denzo BMS cold air intake but car fills stock still even on e85 mix

 

[JERisBRISK]

Welcome to the forum! I haven't installed the JB4 yet, but there are many others here who have.

Have you searched the forum for similar issues? I did a quick one and came this:

Just installed Jb4 Kia Stinger 2022 3.3 AWD (Issues Jb4)

Well I just installed my JB4 on Kia stinger 2022 3.3 AWD, I did spark plugs to specs gapped to .022 HKS. Plugged in all wires correctly and made sure to use the fuel wires adapters to not plug in to factory. Everything was good until I started vehicle downloaded the app and tried updating while...

stingerforum.org

 

[ChaneRZ]

What map are you on?

 

[StingertimeNC]

you should be able to run map 3 and add 5lbs of boost with E30. Unless you are running 91 octane with it. the difference should definitely be noticeable. Time to post up some logs so we can see what's happening.

 

[Kia Stinger]

JB4 connected spark plugs upgraded Denzo BMS cold air intake but car fills stock still even on e85 mix

Welcome. Moving this to our Stinger JB4 support forum...

 

[AdrianG]

Do you feel like you are experiencing throttle lag, or turbo lag? For throttle lag, a pedal/throttle controller module can make it feel quite a bit different.

 

[SuicideSaints]

What gap in the plugs? Have you updated the firmware through the app and what map are you running? What does the boost gauge show in the app? Make sure all connections are connected correctly and securely. Any codes in the app? I immediately felt a difference and within 15 min I felt a lot of power when I installed mine.

 

[Terry@BMS]

Email in a JB4 log if you want us to review the tuning end. Maybe you disable the JB4 with incorrect settings.