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How do I check balance rates for an 01 lb7?

I have an 01 Duramax LB7.. I went out to start it today and the truck was just sounding like it was loping really hard. If I held my foot on the gas at about 1500-2000rpm, the RPM's would stay still...

No I have not. Should I?

I tried to do some tuning on my LD9. It's a 99 Cavalier, automatic, with cold air intake and exhaust.

It seems like I get fuel cut at about 6,000 RPM's and I'm idling very lean, about 16.9-17.0....

Downloaded a stock tune off HPT repository.. changed it up a little it.. went to flash it onto the car and now it won't run for more than 2 seconds.

Also, I did NOT take the stock tune off of the...

I'm looking for a good histogram to use for a 1999 automatic cavalier. It is the 2.4 and I believe it's called the LD9

No wide band. But yes, I tune my car (07 cobalt SS/sc) .. I pretty much got the gist of things withy car. Was kinda looking for like a base file for a bolt on cavy to be a good starting point

4 speed and 2.4

Looking for just a basic tune for a 99 cavalier with simple bolt ons.. Just a little more aggressive than stock.. Couldn't find anything in the repository.. Also it's an automatic.. Or if there's any...

All is good! Appreciate all the help!

Emailed them.. Now will I just have to keep refreshing that page for the beta? Or will I get an email back?

i'm unsure... How do I check that?

I know what I was using on my previous computer had something pop up everytime I opened it saying something about beta.. and now on my new computer, nothing...

says unable to open file
index was outside the bounds of array.......



I clicked write entire and I did that... then just saved that File.... Now, that's the ONLY file that I can open in VCM...

Scanning the vehicle works now.. However it's not letting me upload a tune to my car.. it won't let me pull one of my .hpt files up in VCM Editor

says unable to open file
index was outside the...

Thank you. Waiting for laptop to charge so I can go hook it up to the car.

Or wait.. Can I just plug my HPT cable into my computer like while i'm in my room? Or does it need to be connected to my...

Well I had been using an older computer for all my HPT needs... was working great, and then the USB port decides to say F U. BTW, 1 never worked, the only working one was the one that said F U. Soo,...

Now something like this for the LSJ! :)