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Thanks. Once I get in and get everything hooked up to be able to pull the tune off the computer, I will add it to the original post. I appreciate the response. For some reason I was not notified...

ok, what I have is a compilation of a few different things.

Here goes:

2006 aluminum 5.3 block (DOD/VVT deleted and ports blocked off)
2002 5.3 crankshaft
gen 4 connecting rods
Summit PRO...

Well crap, I just adjusted the wrong thing, but fortunately havent loaded it to the PCM yet..
I was thinking to adjust that setting, but had not run across anything to get better info.
Now...

Sorry to be a pain by resurrecting an older thread, but did you guys have any issues with having to purchase an additional credit to tune your Sonic?
I have a 2016 Sonic LT 1.4 turbo automatic. ...

hey fellas, new to the thread cause I just bought a 2016 Sonic LT turbo.

attached is the log of my car and a top speed run in 42 degree weather.

If anyone can tell me what I need to look for to...

The tuner is probably wanting to use his own wideband because of having it wired to work with his tuning software and hardware for data logging.

If you have a bung installed for him to use, make...

If you want to also extend your laptop battery life, switch to a solid state drive.
That by itself will speed up the computer and extend the battery life because it has no moving parts.
If you use...

http://www.tciauto.com/tc/catalog/product/gallery/id/3274/image/15705/

tow/haul mode only changes the duration the trans holds a gear vs load level for hill climbing and acceleration to cruising speed.

it doesn't change whether or not the trans will hold a gear based...

I would stop running the engine until you have the oil pressure issue resolved. the 4.8 I have hits 50+ psi at cranking..

I figured out that my desktop plug was missing 2 wires. one for battery and one for the ignition.

once I got those hooked up, it worked fine.

Now I am trying to read a file from an 05 PCM...

that varies from engine to engine.
You will only want to make very small changes at a time or have an experienced tuner show you what parameters to look at adjusting.
Sometimes the smallest...

try what ElecTech said. read both then tell it to write changes, and since you aren't changing any engine parameters, it should not do anything with engine part..
or if yours is equipped with...

From what I could tell, in order to do that you had to license the tune for you, and they had to license it for them.
Each person editing the tune must have the license.

Only way I could see...

I have a PCM I bought from an individual off of Facebook in a group..

He told me it was for an 05 GMC, but I can not get it to communicate with HP Tuners on either the viewer or editor...

It...

I also downloaded a tune from the repository to try changing the vin and engine to
a 4.8L (which is the engine I have) and I can not get it to write with that either. (cost me 2 credits for that...