C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

review my tuner pro rt log

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Old Apr 24, 2026 | 07:57 PM
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Default Please review my tuner pro rt log

Can anyone please read my tunerpro RT capture file and tell me if I should be concerned about my ecu adding fuel?
It's a stock L31 engine with the vortec heads / tpi adapter. all is stock and emissions are intact.
Attached Files
File Type: csv
test1.csv (1.55 MB, 4 views)

Last edited by timgman; Apr 24, 2026 at 08:06 PM.
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Old Apr 24, 2026 | 11:47 PM
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Originally Posted by timgman
Can anyone please read my tunerpro RT capture file and tell me if I should be concerned about my ecu adding fuel?
It's a stock L31 engine with the vortec heads / tpi adapter. all is stock and emissions are intact.
What is the mask ID? 6E?

can you post the native xdl log file?
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Old Apr 25, 2026 | 04:41 AM
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Its a $6E log (ARAP). The 150-160 Cell 0 BLM is concerning. I don't have a good free csv log viewer available at the moment, so I didn't look closely into the entire file and don't want to purchase a log viewer just for this purpose.

Datazap (the free version) is now limited to 100 logs (and I'm way over the limit, so I cant upload any more logs). Don't want to pay for MegaLogViewer HD either.
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Old Apr 25, 2026 | 08:23 AM
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Originally Posted by ULTM8Z
What is the mask ID? 6E?

can you post the native xdl log file?
Yes.
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Old Apr 25, 2026 | 09:59 AM
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I saw the BLM's >150 as well. But it seems to only be when the BLM Cell is 00. As soon as you get out of cell 00, the BLM's are pretty normal.

I'm not a 6E expert, but it appears to be an idle cell given the engine RPM and MAF values.

What injectors are you running?
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Old Apr 25, 2026 | 12:39 PM
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Originally Posted by ULTM8Z
I saw the BLM's >150 as well. But it seems to only be when the BLM Cell is 00. As soon as you get out of cell 00, the BLM's are pretty normal.

I'm not a 6E expert, but it appears to be an idle cell given the engine RPM and MAF values.

What injectors are you running?
I believe they are stock but I honestly do not know. I’ll see if there are any identifying numbers,
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Old Apr 25, 2026 | 12:40 PM
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Originally Posted by timgman
Yes.
when I try to attach it it says invalid file type. Can I just rename the extension?
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Old Apr 25, 2026 | 07:09 PM
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Originally Posted by timgman
when I try to attach it it says invalid file type. Can I just rename the extension?
You can email it to me.

ultm8z@yahoo.com
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Old Apr 25, 2026 | 09:25 PM
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One thing I'm seeing too....

Your closed throttle TPS voltage is .47 volts. I don't think that's necessarily your problem, but generally you want the closed throttle TPS voltage to be .54V.
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Old Apr 26, 2026 | 04:12 PM
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The multecs are concerning
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Old Apr 26, 2026 | 06:02 PM
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Originally Posted by Tunedperformancedotorg
The multecs are concerning
yeah but the huge disparity between idle cell and everywhere else is interesting.... his BLMs are pretty normal everywhere else.... even at similar pulse widths to idle.
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