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That was the problem, even after full reflash with tis 2 Web the checksum was invalid. Fixed with v8 checksum repair, re flashed and all is well.

I did notice on v8 under calibration it's showing checksum invalid. Could this cause a concern?

Doing a dpf and egr delete on a lmm, after re flash truck will not restart (cal flash) with v8. V2 will communicate with ecm tried tech2 and no communication. Re flash with tis 2web and everything...

First boosted application starting from scratch. Finally got a base tune, so i could start a autoVe log, but i did a 75% throttle blip, to check another issue i had. I have messed around with some of...

I forgot to mention in the new tune i have fixed all out ool tables as per joecar.

Im just wondering b5915 could be the problem or burst knock. Thanks again

I just thought I had this issue resolved, anyway its up for a needed weekend away from cars......but I just can't seem to lay this one to rest for a few days. I rescaled map sensor fixed b5911 and...

Sometimes it takes a break....totally miised table b5911.

This is my first boost build with tuning. The truck has a hard bog when going into boost. Fuel pressure is staying at 58psi, it appears that timing is getting pulled way down, and i am running...

it is a 24x ckp and 1x cmp.

Sorry for the lack of info. the engine is a lq4 short block with 5364 rectangle port heads, l76 truck intake and throttle body, Ls7 injectors (do have ifr set in current cal.), custom grind camshaft....

hello all, hope everyone holiday was plesant. Questions are, I am new at camshaft tuning, I have swapped an ls3 into a 04 gmc denali with 12587603 os. should i change to a 12212156 os. The rotating...