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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
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Tuner
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03-30-2022, 09:33 AM

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03-30-2022, 09:39 AM
Hello Steve, I did read through that and followed instructions.
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03-30-2022, 01:53 PM
Please see new log attached below.
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Tuner
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03-31-2022, 09:54 AM
I think you forgot to change your user adjustment settings. 

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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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Tuner
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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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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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Tuner
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04-11-2022, 10:15 AM
Verify menu 4 is set to option 2.

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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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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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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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04-12-2022, 09:58 AM
It's because you are targeting stock boost levels so something isn't right.

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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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Demigod
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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
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Map 2 should be 17psi
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04-13-2022, 08:13 AM
Quote:
Originally Posted by THE BEAST
Map 2 should be 17psi
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you are correct, based on the firmware I'm running. confused it with the 32_16_T9 settings.
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04-13-2022, 12:24 PM
 New log with updated settings.
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04-13-2022, 04:32 PM
Newest log 
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04-17-2022, 09:14 PM
These logs look good.
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