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  1. Replies
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    My reply was to JohnL above yours. I can...

    My reply was to JohnL above yours.

    I can understand your issue though and have no real response to that other than depending on vehicle they do make OBD2 can-bus widebands or you can wire them...
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    This thread may help too. ...

    This thread may help too.

    https://forum.hptuners.com/showthread.php?73281-MPVI2-requirements

    It's new applications that are only supported with the MPVI2 that need the internet to view the...
  3. The front o2 sensors shouldn't have been...

    The front o2 sensors shouldn't have been disconnected, that is not a good sign if you ask me. That's a pretty stupid idea to disable all o2 sensor control, fuel trim control and closed loop...
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    I guess I am confused at what you want to do. ...

    I guess I am confused at what you want to do.

    The VE AFR error has to use the two axis in the VE table to adjust fueling.

    Power enrichment and boost enrichment are commanded values. Those...
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    https://forum.hptuners.com/showthread.php?55917-HO...

    https://forum.hptuners.com/showthread.php?55917-HOW-TO-Setup-AFR-Lambda-ERROR-Graphs-vs-VE-Table-(non-Virtual-VE-Vehicles)&55917-HOW-TO-Setup-AFR-Lambda-ERROR-Graphs-vs-VE-Table-(non-Virtual-VE-Vehicl...
  6. I didn't think that channel ever worked. The...

    I didn't think that channel ever worked. The engine still runs even if the sensor is unplugged or pegged out on the dash.
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    If you don't have a wideband, get one as soon as...

    If you don't have a wideband, get one as soon as possible and get it into your logs so you can start fixing the fueling.

    Add things like knock retard, cylinder airmass, commanded AFR, injector...
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    I'm not doing a supercharger or anything but I...

    I'm not doing a supercharger or anything but I reached the same ceiling you did already too.

    I haven't touched anything with commanded fuel pressure but on E69-E70 fuel I hit 5.5-5.8ms with ease...
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    Just wanting to make sure. The later TBSS/NNBS...

    Just wanting to make sure. The later TBSS/NNBS manifolds did use a different MAP with different linear/offset values.

    I honestly don't see anything in the tune that is stopping it from running....
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    Post the tune as well. Which MAP sensor are...

    Post the tune as well.

    Which MAP sensor are you running? The stock L59 gen 3 style or the newer GEN 4 MAP with that TBSS intake manifold.
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    Don't expect much being stock but you can and for...

    Don't expect much being stock but you can and for sure want to switch up your power enrichment settings. Should help with the knock retard you are seeing too.

    Lower the enable torque to 50%. Lower...
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    I wouldn't trust anything from the repository...

    I wouldn't trust anything from the repository anyway, that's not really what it should be used for in the first place.

    There are things you can do but you need to understand this torque based...
  13. It's still not really tuned, so I don't really...

    It's still not really tuned, so I don't really know what to tell you.

    With the MAF and VE not calibrated and the idle airflow not adjusted, the more you drive the more of these issues you are...
  14. Yeah, you can wire the wideband into the EGR....

    Yeah, you can wire the wideband into the EGR. It's not very hard and there are plenty of write up and video's on youtube about it.

    The fueling is still tough to say on. The o2 sensors show it may...
  15. Getting a wideband should be up there on your...

    Getting a wideband should be up there on your prioity list, it's not really possible to know if your fueling is okay without it.

    And with being on the stock injectors, it's pushing your luck up in...
  16. Apply the 2 bar OS upgrade that you have under...

    Apply the 2 bar OS upgrade that you have under the OS tab. This will give you a few more tables that you need.

    It will give you a boost VE and also give you a boost eq ratio for fueling.

    Get...
  17. Put your tire size and gear ratio into the gear...

    Put your tire size and gear ratio into the gear tire wizard under the edit tab, that should fix the speedo issue so long as your did the segment swap correctly for the 4L80e swap.


    Why is your...
  18. Yeah, uncheck the SES box if you don't want the...

    Yeah, uncheck the SES box if you don't want the engine light to come on.

    Cat over temp is in the engine tab > fuel > temp control. COT is the table.
  19. You left the SES box checked. And even if you...

    You left the SES box checked.

    And even if you remove the SES box it will still show up as a permanent code that doesn't just vanish when you disable it. It'll stop the engine light from coming on...
  20. The information is already out that it's using a...

    The information is already out that it's using a E99 computer but of course nobody knows how much of that will be the same as the E99 ZR1 corvettes that you can buy right now.
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    Nah, the TCM doesn't have VATS. Just the PCM...

    Nah, the TCM doesn't have VATS.

    Just the PCM has to be done with a write entire for the two VATS patches to make it stop.
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    Is VATS turned off?

    Is VATS turned off?
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    Just wing it lol. That's what all the vendors...

    Just wing it lol.

    That's what all the vendors do anyway.
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    Yes, a wideband is required if you want to...

    Yes, a wideband is required if you want to calibrate the fueling for open loop. Meaning like half to full throttle where the computer does not use the o2 sensors in closed loop to correct it for you....
  25. Going to 4.10 gearing would do wonders too for...

    Going to 4.10 gearing would do wonders too for towing a boat.

    I'd error on the side of caution for timing, leave is rather lax if the engine is always going to be under load. PE delay and settings...
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