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As mentioned I will be running a charcoal canister ( vapor trapper ) I agree that?s part of the equation but only half. I also want to eliminate the...

https://forum.hptuners.com/showthread.php?107464-Gen-3-VE-Tuning Post #2 i talk about fuel trim tuning. Its a bit dated but it covers most of it...

5.1.4654 able to read ECM file, but still fails checksum... OS: SR3A-14C204-AEC #499154

Heres 2 versions of your tune put into either MAF only or SD. Like alvin said, If its running MAF, then log in MAF only and see where youre rich....

You need to take the compliance training in order to get that unlocked. https://www.hptuners.com/emissions/

So far I've seen it's just with vehicles running the Global E99. So the C8s & Eray, the CT5Vs, the CT4Vs, and the Escalade V.

It looks decent. The TPS and APP are correct. Timing wise, looks close to stock Trans settings based on how long the shift takes and the amount of...

It's really pretty hard to hurt a NA engine unless its black smoking rich or audibly knocking hard.

Since this is setup in MAF you would find the spot in the MAF table and lower the numbers to take fuel away.

Do you have a log? Is it downshifting once throttle is pressed or to not stall the engine?

I belive what Alvin is saying is be 100% sure of your injector data before you start changing your airflow tables. If everything was correct...

Did it read the tune originally? Is the scanner function working?

Contact Hptuners, theyre more likely to be able to help

Are the new injectors a different flow rate?

If you trust your proposed tuner enough to have him tune it, send the log to him. If he doesn't like what he sees, he should be able to send some...

Hi, I'm Jon. I do structural engineering, but I also have a history of mechanical engineering & prototype design, and a bit of racecar/drift car...

Just consider it part of his "free apprenticeship". https://forum.hptuners.com/showthread.php?116524-Free-Apprenticeship-offeed

Post a data log of it doing whatever it does. Your injector data is wrong, incomplete. Your timing tables are a time bomb waiting to blow your...

Sure does get old having to say "post a tune and data log" day after day after day. :banghead: You've been a member for 5 years you gotta know how...

I have a 2006 corvette ls2 with no cats. In hp tuner I have engine light on and I cant have access to remoove o2 bank 2 test. they are bleu and I...

If your concern is about garage fumes, I'd also suggest you use a modern fuel tank that's sealed up. The old vented to atmosphere tanks will smell up...

Im having a similar issue, i got talked into buying a firepunk ?towmaster? and after the third time i took it back for issues with 3rd gear starts...

Hi im in need of some advice, i purchased a aem 30-0310 and have researched that you can wire it directly into the back of the odb2 connector. i have...

I will be installing this same exact cam, did you figure out the issue that you ran into?

They do and with rear O2s missing ECM will command slightly richer than needed for optimal cat conditions. But it is not that crucial.

https://www.youtube.com/watch?v=NmTSRoC4NzA For comparison, a video may help, but there are no generator signals there I found there the...