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Mrjarrodcthompson Mrjarrodcthompson is offline
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Car: Kia Stinger GT
Default 01-14-2021, 03:46 PM

Quote:
Originally Posted by Andy-J-Knight
Maybe worth making a specific thread for this but anyway, if your ODBII is really disconnecting then the JB4 will be losing visibility of multiple ECU parameters/sensor values that it needs to operate. It won't have any idea of what RPM you are at, water temps, trims, afr etc which will most likely cause you to drop into map 1 (if you are not running that already).

Probably worth checking the cable connection at both the ODBII port and the cable connector in the engine bay to make sure they are both properly seated.
Thanks @Andy-J-Knight

I notice there is a very small amount of "play" where the OBD cable connects in to the small JB4 harness. I wonder if others have noticed this.

I sprayed contact cleaner, and "pulled" the connected cables together with zip ties to stop movement - could be as simple as that.

If it resolves the issue (no issue so far) I may replace the connectors with something a little more robust.
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Terry @ BMS's Avatar
Terry @ BMS Terry @ BMS is offline
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Default 01-14-2021, 05:42 PM

Quote:
Originally Posted by Mrjarrodcthompson
Hi guys, first time post.

Q. Is there a way via the Phone app (or windows for that matter) to confirm that the OBD connector is connected and functioning with the JB4? Can't seem to find a status.

I have had intermittent issues with the OBD data showing up in the app. I'm not really sure why (all my kit is only a couple of months old - Kia Stinger GT) - nor what impact this actually has other than logging.
If RPM is showing in app then OBDII is making good contact.


Burger Motorsports
Home of the JB4 the worlds most popular turbocharged tuning system!

It is the sole responsibility of the purchaser and installer of any BMS part to employ the correct installation techniques required to ensure the proper operation of BMS parts, and BMS disclaims any and all liability for any part failure due to improper installation or use. It is the sole responsibility of the customer to verify that the use of their vehicle and items purchased comply with federal, state and local regulations. BMS claims no legal federal, state or local certification concerning pollution controlled motor vehicles or mandated emissions requirements. BMS products labeled for use only in competition racing vehicles may only be used on competition racing vehicles operated exclusively on a closed course in conjunction with a sanctioned racing event, in accordance with all federal and state laws, and may never be operated on public roads/highways. Please click here for more information on legal requirements related to use of BMS parts.
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(#3953)
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khancerto khancerto is offline
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Car: 2020 Hyundai Elantra Sport
Default 01-15-2021, 09:02 AM

So how accurate is the E85 gauge/meter and how should it be read? If I am running an E30 blend on my Elantra Sport for Map 3 use should it read 30 to help me see if I added the right amount of E85?
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(#3954)
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500excf 500excf is offline
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Car: 2016 Kia Forte5 SX
Default 01-17-2021, 06:29 PM

Hello, this is my first post here so I will just cut to the chase:

I have a 2016 kia 1.6t with a 6MT

I purchased my jb4 used and installed it yesterday.

I was able to get everything hooked and in operation, got the app installed, connected to the box, set the map 1 and drove around a bit and took a lot, switched to map 2 and repeated the same steps.

When I got home I don't see any logs in the app and when I do a "mail all" only the mod list comes attached.

Speaking of mods, my exhaust still has the oem ******** and both cats (no resonator+muffler delete) so I am thinking that's going to hold back everything else. I have an intake, hot pipe resonator delete, and throttle spacer, plus the m45xl plugs and a catch can. I'm not trying to blow anything up so is there a point to running the map2 without an aftermarket down pipe?

Aside from those two concerns it's a great experience so far. Installation was a breeze and the app is easy to use. Thanks
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(#3955)
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Djfourmonie Djfourmonie is offline
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Car: 2020 Kia Forte GT
Default 01-17-2021, 08:37 PM

Quote:
Originally Posted by khancerto
So how accurate is the E85 gauge/meter and how should it be read? If I am running an E30 blend on my Elantra Sport for Map 3 use should it read 30 to help me see if I added the right amount of E85?
It's pretty close.
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(#3956)
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Djfourmonie Djfourmonie is offline
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Car: 2020 Kia Forte GT
Default 01-17-2021, 08:42 PM

Quote:
Originally Posted by 500excf
Hello, this is my first post here so I will just cut to the chase:

I have a 2016 kia 1.6t with a 6MT

I purchased my jb4 used and installed it yesterday.

I was able to get everything hooked and in operation, got the app installed, connected to the box, set the map 1 and drove around a bit and took a lot, switched to map 2 and repeated the same steps.

When I got home I don't see any logs in the app and when I do a "mail all" only the mod list comes attached.

Speaking of mods, my exhaust still has the oem ******** and both cats (no resonator+muffler delete) so I am thinking that's going to hold back everything else. I have an intake, hot pipe resonator delete, and throttle spacer, plus the m45xl plugs and a catch can. I'm not trying to blow anything up so is there a point to running the map2 without an aftermarket down pipe?

Aside from those two concerns it's a great experience so far. Installation was a breeze and the app is easy to use. Thanks
It's not being held back.

You are knock limited not flow limited. Address the low ignition advance and you'll make more power.

No problems sending logs to myself. Have you tried rebooting the phone?
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Terry @ BMS's Avatar
Terry @ BMS Terry @ BMS is offline
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Default Yesterday, 11:52 AM

Quote:
Originally Posted by khancerto
So how accurate is the E85 gauge/meter and how should it be read? If I am running an E30 blend on my Elantra Sport for Map 3 use should it read 30 to help me see if I added the right amount of E85?
The virtual sensor can be calibrated using the virtual offset until it hovers around a known mixture like E10 (pump gas) or E30 based on a gallons mixture calculator. It's never going to be 100% accurate but gets you in the ballpark. We've only really tested it on the Stinger 3.3L models though. Other models, we'll have to see how the logic works.


Burger Motorsports
Home of the JB4 the worlds most popular turbocharged tuning system!

It is the sole responsibility of the purchaser and installer of any BMS part to employ the correct installation techniques required to ensure the proper operation of BMS parts, and BMS disclaims any and all liability for any part failure due to improper installation or use. It is the sole responsibility of the customer to verify that the use of their vehicle and items purchased comply with federal, state and local regulations. BMS claims no legal federal, state or local certification concerning pollution controlled motor vehicles or mandated emissions requirements. BMS products labeled for use only in competition racing vehicles may only be used on competition racing vehicles operated exclusively on a closed course in conjunction with a sanctioned racing event, in accordance with all federal and state laws, and may never be operated on public roads/highways. Please click here for more information on legal requirements related to use of BMS parts.
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(#3958)
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destrux destrux is offline
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Car: 2020 Veloster N performance pack
Default Yesterday, 12:07 PM

Does the boost by gear work with 6 speed manual models? Specifically asking for a 2020 Veloster N.

The car has a gear indicator in the cluster that displays the gear after it moves in gear a bit, I'm guessing it's calculating the gear based on RPM vs wheel speed and doesn't have a physical gear position switch.
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Terry @ BMS's Avatar
Terry @ BMS Terry @ BMS is offline
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Default Yesterday, 03:56 PM

For the manual trans since we're not reading it off the transmission itself, it reverts to boost by speed. At least for now. Later I think we will be able to read gear off the cluster, would just need to get a manual N in the office for a few days to figure it out.


Burger Motorsports
Home of the JB4 the worlds most popular turbocharged tuning system!

It is the sole responsibility of the purchaser and installer of any BMS part to employ the correct installation techniques required to ensure the proper operation of BMS parts, and BMS disclaims any and all liability for any part failure due to improper installation or use. It is the sole responsibility of the customer to verify that the use of their vehicle and items purchased comply with federal, state and local regulations. BMS claims no legal federal, state or local certification concerning pollution controlled motor vehicles or mandated emissions requirements. BMS products labeled for use only in competition racing vehicles may only be used on competition racing vehicles operated exclusively on a closed course in conjunction with a sanctioned racing event, in accordance with all federal and state laws, and may never be operated on public roads/highways. Please click here for more information on legal requirements related to use of BMS parts.
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(#3960)
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Djfourmonie Djfourmonie is offline
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Car: 2020 Kia Forte GT
Default Yesterday, 05:15 PM

Quote:
Originally Posted by Terry @ BMS
For the manual trans since we're not reading it off the transmission itself, it reverts to boost by speed. At least for now. Later I think we will be able to read gear off the cluster, would just need to get a manual N in the office for a few days to figure it out.
You know the drill. It's available (just got it back from the dealer) just let me know and I drop it off like last time.
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(#3961)
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Mrjarrodcthompson Mrjarrodcthompson is offline
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Car: Kia Stinger GT
Default Yesterday, 09:37 PM

Is there any detailed user documentation for the JB4?

I see logging parameters, install guides, troubleshooting etc.. but I can't seem to find a user guide. My specific need at the moment is understanding how MAP 6 works. I can't seem to locate any documentation other than its a "user map". Also how to enable beta features like throttle mapping and map switching via indicator stork etc...

Thanks!
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