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you could Upgrade computers out of a newer impala. pullapart is great

Ive noticed lately that sometimes when im scanning a vehicle not just one specific one that the scanner will just pause like it loses connection and then jumps back on sometimes it completely freezes...

I can not get it to build a table based on cylinder air mass. it works on every other car ive messed with but this one will not tell me when and where to get rid of any knock if present.

I tuned a 2004 gmc yukon xl 8.1 with 4l85e. big difference in power. converted it to ls3 coil packs and its much more responsive

Another thing you deceleration fuel cutoff tables are zeroed out. you may need to copy the tables for the DFCO over into your tune file. the truck looks is going into open loop while you are slowing...

Do you have a wide band?

does it have a custom operating system?

add some timing into the cranking table

Gotcha never heard of that! Cool to know. I know my fresh 5.3 with new rings has 210-205psi cranking pressure

Im pretty sure you arent supposed to tie the wideband into the factory computer. I may be mistaken, but it sounds to me like you are sending signals to the computer that it doesnt understand.

What type of wideband are you using?

Im a little confused on to what you are trying to do with the wide band? are you running the hp tuners pro interface? or are you trying to incorporate the wideband into the factory computer?

if the egr is enabled its going to be looking for extra air flow from the egr at idle. Try enabling stall protection under torque management. if you are using drive by cable and not a drive by data...

Its asking you to license both the tcm and the ecm? if the FSCM is showing up to read on the prompt click do not read you shouldnt have to modify the FSCM if you arent using forced induction. Any gm...

What make and model?

Is your egr still enabled??

most likely you will need a gm MDI scan tool and access to TIS online.

first thing i would check is for vacuum leaks. make sure the brake booster check valve is working correctly. the brake booster could have an internal leak. try blocking off the brake booster line...

can you post a data log?

I was wanting to get a link posted so i could download 3.7 beta. Are they any downsides conflict with it being a beta or is it pretty stable?

I was trying to run a data log on a 2015 impala 3.6 DI VVT engine

the error lights up on the MPVI when i try to run data log with no computer attached

My gm pro scanner inside my hp tuners box doesnt want to connect it keeps coming up with the error code on the box?? anybody help me with that

Thanks!! Is there any way to fix it where it wont lock the key if if the battery is removed?

here is the file