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What fixed it?

I'm looking thru your attached files, I don't know the answer yet.

Thanks.

Several points:

I agree on swapping PCM to part # 0411 and running OS 12212156 (with matching trans segment).

For street usage, experienced tuner will run WOT at around AFR 12.6 which will be...

Thanks, and you too.

Merry Christmas

to You All and Your Families

:tree:

:snowman:

The PRN number has to be different for each pid (you used F110 for both... make the second one say F111).

CLC-00-002 needs a closing double-quote, and needs to read like this:...

Watch your timing, 25* at 0.81g airmass might get some KR, but I don't see any.

Which wideband are you using (is it on bank 2)...?

ughhh... forum is truncating replies...

Hey statesman, how's it going, good I hope :cheers:

Post a pic of your MAF plumbing...?

What TQ and HP are you developing...?

Post some screenshots of BEN map.
Are you editing VE table or MAF table (and are you disabling the other table)...?
Are you disabling trims (LT, ST, and OL)...?

With a dog-leg shaped IFR table, it will be difficult/impossible to correct the VE table for all driving conditions (i.e. maybe doable for WOT dragstrip use only, but not PT cruising and not idling).

Your IFR table B4001 has a flat and then a linear slope (see pic from your .ctz):

23604

It should look like this (note that it appears linear but is actually curved slightly) (and of course,...

IFR table is wrong.

Is your injector supply (fuel system) return-less (single line, with FPR at fuel pump) or return (two lines, with FPR at rail)...?

Are you running MAF...?

Please post some log files.

Either way, your tuner will still have to use the pid DYNCYLAIR to reference the spark tables.

DYNCYLAIR is a pid supported by this ECM.

Some of the pids are different...

GM.ETCTP instead of GM.TP
SAE.LAMBDA instead of GM.EQIVRATIO

and a few others.

Are you able to log DYNCYLAIR using V8...?

What year/model/vehicle do you have...?

Your response makes no sense...!!!

In the V7.5, GM.DYNCYLAIR is the dyncylair you refer to... are you able to log this...?

If GM.DYNCYLAIR does not appear on the axis of the spark tables, there is a file that can be edited to add...

Yes, you can do AutoVE

(or any wideband correction of VVE or MAF).

Try GM.DYNCYLAIR and see if it logs (i.e. produces reasonable values).

COS5 is only available for OS 12212156 which runs on 0411 PCM.