Search:

Is the mass air reading more air in return it is adding more fuel?
My fuel trims are staying +4 to +5 meaning adding fuel but not really a whole lot for adding compression and a small camshaft.
...

Took my stock 5.3 and put 243 heads on it milled to put me at 9.8 comp. figured from CC ing as you should also installed EPS 219 / 226 don't have the card here left it at my shop.

Here is the...

I am going to try the idle relearn and the throttle relearn again then drive it a bit today and see what happens just in case I missed something I will be using the modis for these resets in the...

Same problem on the 08 sierra 5.3 I have been working with thought I would come on here and see if anyone else has seen this.

I have done all of the things that have been posted and verified with...

My LM1 is set up for 10-20afr 0-5v and I'm getting readings from 9.2afr-19.8 while cruising on my stock 04 gmc truck cruise and light throttle 19.8afr, 100% throttle shows 9.2-10.5 afr this cannot be...

09 chevy silverado tried to read vcm but it tells me to send file to hptuners support
What's up with this?

When I try to connect to any vehicle it tells me error FO cable license fail.

Why does my bone stock impala with a SC3800 40,000m have a DTC System Lean bank 2? Any ideas where to start?

Those darn parts replacers. Lol!
Its amazing how the dealer can forget to pay attention but it happens all the time.
:crazy:

Where do I adjust the offset voltages to make my lm1 match my hpt scan?
Example wb reading 14.7, hpt reading 15.9 in the scan

5 pulls on my 05 gto, stock by the way, dyno operator tells me its a big dog LOL. 480 rear wheel at 6250 rpm. I laughed and said bs we recalabrated the dyno and tried again, same thing. He swears I...

thanks for the great info im learning more everyday, Im looking at this tune trying to figure out what they did.
Ill try and post the file.

engine< Fuel control< stoich afr
I was checking out another tune and noticed they changed this?
I was under the impression this would reset itself to 14.7 since the o2's are narrowband as the...

Ive saved 5 others without a license but I need the the license to actually edit so Ill just get the license.

Thanks for your time

I cant post the file because when I plug into the vehicle just like others and save the file for editing it won't let me save the file into my editor.
Screen pops up and says vehicle not available.

when I try to save the parameters into my editor it says my 04 gtp is unsupported. Is this becouse I do not have 2-3 bar upgrade?

I wanted to check it out before I went to license the vehicle

false alarm I got it!

I've tried changing my log to etc tps % in place of tps % SAE and it doesnt show up on the log chart. I also have been looking in the help files for about a day now and I just havent been able to...

My 05 gto does not list rtt on the operating system page under any of the options. Am I just missing something?
thanks in advance.

Thanks jimmyblue!
Just got back to read post, dang vacations.

One of the trucks I rode in had a huge increase from idle to 80 mph side by side w a stock truck untouched in the quarter the dealer tuned 1/2 ton gmc won by 5 lengths.
The speed limiter was also...

What is the dealer concentrating on when they do an upgrade tune to a vehicle and still offer a gm warranty?
It isn't much but it makes a hell of an improvement over stock.

thank you

with no laptop.

Pushing record when trying to record data in the scanner alone gives me a red error light?
Still very new just trying to see what ive got. The help around here is amazing.
Thanks in advance.