JB4tech.com - International Turbo Tuning Discussion
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ElShisho ElShisho is offline
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Exclamation E93 Over boosting - 03-29-2022, 08:04 PM

Hello everyone,


Pretty new to the JB4 world. I usually do flash only tunes on my cars, on this particular car it already came with a JB4 installed so I didn't want to pull it and make use of it. Currently I have done everything needed as far as user settings, load pump USA BEF, and checked hardware/leaks.

My initial issue ended being a bad bank 1 solenoid causing overboost and a lean condition causing my trims to max out. now its running way better without any codes... but still over boosting!! I think this is the part where i have to adjust some settings but new to jb4 so I need your help.

Yes I have updated to the latest firmware. List of modifications below -

2" MMP Inlets
2" MMP Outlets
7" intercooler
3" *********
Index 12 injectors
Stage 1 NGK .020 gap
MMP1k Turbos
Newer tested OEM Boos Solenoids
Eldor Coils
N20 MAP

Here is a log at stock MAP 4
Attached Files
File Type: csv P32_M4_R1_220329_0854.csv (11.1 KB, 48 views)
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Steve @ BMS/Fuel-It!'s Avatar
Steve @ BMS/Fuel-It! Steve @ BMS/Fuel-It! is offline
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Default 03-30-2022, 09:33 AM

Link to hybrid setup thread....

JB4 N54 Hybrid Turbo Setup Directions - N54Tech.com - International Turbo Racing Discussion



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ElShisho ElShisho is offline
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Default 03-30-2022, 09:39 AM

Hello Steve, I did read through that and followed instructions.
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ElShisho ElShisho is offline
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Default 03-30-2022, 01:53 PM

Please see new log attached below.
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File Type: csv P32_M4_R5_220330_1218.csv (21.5 KB, 44 views)
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Default 03-31-2022, 09:54 AM

I think you forgot to change your user adjustment settings.



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ElShisho ElShisho is offline
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Default 04-04-2022, 07:01 AM

I did initially changed settings that didn't save for whatever reason, the most recent log has settings updated. two thigs i noticed was the bank 1 trims almost max out while bank 2 is ok or pulling fuel and the dme_bt is higher than the actual target. Is there any settings that i could change to help with the boost targets? I still overboost but not as bad.
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Default 04-04-2022, 03:23 PM

If the most recent log had the settings updated, I wouldn't have made that comment.



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ElShisho ElShisho is offline
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Default 04-09-2022, 03:20 PM

Hello Steve,

been busy and haven't had time to run a log. I have updated the settings to exactly how the Hybrid BEF instructions. i still get overboost on map 4, can you please guide me as to what im missing?
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File Type: csv P32_M4_R2_220409_1424.csv (14.6 KB, 34 views)
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Default 04-11-2022, 10:15 AM

Verify menu 4 is set to option 2.



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ElShisho ElShisho is offline
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Default 04-11-2022, 10:39 AM

I have verified this at least 10 times including once more before replying to this message. what I have done as of yesterday is reload the BEF and see if that helps, ill post a log later today. Thanks
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electricwill electricwill is offline
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Default 04-11-2022, 03:46 PM

You're on map 4 which means the jb4 is off and logging only,try switching to map 2 then run a log.
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ElShisho ElShisho is offline
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Default 04-11-2022, 04:40 PM

I thought map 4 was stock tunning and 0 was off, either way I'll log map 2 and see what happens. Thanks
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Default 04-12-2022, 09:58 AM

It's because you are targeting stock boost levels so something isn't right.
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ElShisho ElShisho is offline
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Default 04-12-2022, 10:09 AM

Yes something is off as if I was in 4/3. Ran a log in map 2 and targeting 17psi which should be 22psi due to hybrid turbos. Granted I should only run map 1 because it looks like trims are maxing out. See log attached
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File Type: csv P32_M2_R5_220411_1455.csv (39.8 KB, 34 views)
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THE BEAST THE BEAST is offline
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Default 04-12-2022, 11:02 PM

Quote:
Originally Posted by ElShisho
Yes something is off as if I was in 4/3. Ran a log in map 2 and targeting 17psi which should be 22psi due to hybrid turbos. Granted I should only run map 1 because it looks like trims are maxing out. See log attached
Map 2 should be 17psi
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ElShisho ElShisho is offline
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Default 04-13-2022, 08:13 AM

Quote:
Originally Posted by THE BEAST
Map 2 should be 17psi
you are correct, based on the firmware I'm running. confused it with the 32_16_T9 settings.
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ElShisho ElShisho is offline
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Default 04-13-2022, 12:24 PM

New log with updated settings.
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File Type: csv P32_M1_R2_220413_1342.csv (18.5 KB, 33 views)
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ElShisho ElShisho is offline
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Default 04-13-2022, 04:32 PM

Newest log
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File Type: csv P32_M1_R9_220413_1711.csv (22.4 KB, 47 views)
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Cannon @ BMS Cannon @ BMS is offline
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Default 04-17-2022, 09:14 PM

These logs look good.


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