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Without a Wideband you can't do Power Enrichment tuning. So get one... This one is easy to tie into HPtuners using the ODB2 port: ...

https://www.youtube.com/watch?v=Ew01aASkK-M

Also, add these additional channels to your logging and make sure to reset your adaptives before logging. If you're making changes/fixes to the engine we want to make sure the computer isn't having...

1) Still seeing imbalance between the fuel trims on the banks.
2) I'm seeing Long Term fuel trims maxing out at 30%, so fueling is still off.
3) Your Accelerator Pedal seems stuck at 19%, accept...

A few questions and comments...

1) why is your idle so high? Seems to be in the 3k+ RPM range?
2). Your fuel trims are suggesting MAF and/or VE tables are way off as it's commanding 8-18% more...

Thanks! I guess I'll just give it a try.

I'm working with my local Sheriff's office to see what it will take to help them tune their 2018+ Durangos, and when I did the full ECU read I noticed that the ECU tune is not a standard/stock tune. ...

Your airflows tables look way high and don't really follow the stock curves. I would go back to your stock airflow values and see if that works, and slowly add .5 grams at a time to the entire table...

Found it! The Fuel Level DTCs also have to be flagged NER.

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Anyone have an issue with Evap still showing "incomplete" even with Evap DTC's set to "No Error Reported"? Trying to get a 2010 Corvette with upgraded cam to have all readiness complete, but Evap...

Thanks!

Updated EOIT targets on spreadsheet. The targets seem to be in line with the documents recommendations, but I'm confused on how the Normal ECT adders impacts those targets.

For example, if the...

This is my first attempt at leveraging the EOIT tuning spreadsheet, and I wanted to see if anyone can validate my approach. In the lower < 2000 rpm regions, I'm trying to remove as much fuel smell...

Your Base Idle airflow or torque follower may be too low.

Trying to connect to my OBDLink MX+ BT device, but the app never detects it. It will, however, connect to my OBDLink MX Wifi device. I would use the Wifi, but I need to use BT so I can connect the...

Just to clarify which exe are you referring to, the VCM suite or the MPVI2 driver? The driver is it's own executable. Which version of Windows? Any OS security tools enabled on this laptop?

Does anyone have any guidance on the relationship between the REP map and the throttle map? I'm not sure how the ECU is leveraging the values of 1-4 on the REP map.

Also, does the ECU use the...

to achieve the same results?

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Gen IV LS3 tuning questions. I have a 2010 LS3 with a pretty aggressive Txs Spd Stg 2 cam, and I'm trying to tune just off the MAF signal. The base map I was given had a pretty big increase in the...

Thanks! I will check it out. I agree the MAF is far too lean in the low HZ range.

Is there a way to correct "Idle Hang" in the gen 4 LS3's? The Gen 3's had a throttle cracker setting, but i'm not sure what that translates to on the Gen 4's.

I will certainly double check that, but we are still in early stages of tuning for the new cam. I'm currently tuning the MAF at the moment to bring the ST's in check. Maybe this is part of the...

Hey guys, trying to figure out why revs won't drop below 2.5k while I'm driving, or when shifting while driving. Car will idle normally, I can rev at Idle and RPMs drop normally. However, if I...

I want to eliminate the clutch pedal sensor and EGR chks, but I don't see an option to do this. The DTC's are disabled, but I continue to get DCT errors.

I'm also wondering if the ECU is...

I'm checking to see if anyone has a good base tune I can leverage for a 2010 LS3 with a Texas Speed Stg 2 cam? I found one tune with the Stg1 cam, but it's still a bit too far off to get a good...