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You got the stock tune? Need to start over from scratch with just the bare minimum copied over to suit your mods, mafless, injectors etc... You still got 4 O2 sensors on this thing? That changelog is...

Its auto down shifting from 3 to 2nd.

Goodness me, it's been around. Seems a bit shit to have to get some random on the net to sort out something all 4 of those well known Aussie tune shops should be able to sort out. I hope you've all...

Likely anticipation. ECM 12067

Option removed. You'll need v4.8 or user defined parameters with a defined xdf file. Like what Greg is saying, looks like the entry to DFCO. It might be that it's kicking itself out of DFCO...

Gonna have to pay to find out. Your chances are good.

Also, once you're done with all that, reset the trans adapts. It'll shift horrible to start with so just ease into it. If it's flaring or banging after a few drive cycles we'll need to take a look at...

Lol, we all are in one way or another, but some more than most :o

On a plate. You're in a good mood today

Might be this. Try matching up the numbers.

https://i.imgur.com/oBphhEW.png

Hmm, nothing sticks out. I mean maybe adjust every table as a test. The OS lists as correct for the vin number. The cal seg is different, there may be something there if it was not a GM update for...

There is a shit tonne of info in here on how to correctly fail the maf.

Not when cold, re-read what Alvin said, it jogged my memory too. When at normal operating temp, then yes the airflow model is off.

Depending on how your brain works, I find the Ford tables called...

Could try adding a bit to injector tip temp 20deg and below. I've done that before, it ball park works.

Lol, correct. I was taking a swipe at the op for a terrible post. But the toilet water does spin backwards here in Australia :). God damn millimeters were working out good and dandy until you lot...

... :secret:

Have you got a log of it getting hot? Would need fan speed, fan 1 on/off, fan 2 on/off, ect, ac pressure, ac clutch on/off, baro, plus your normal channels. And what the ambient temp...

Looks like you dont have [2320]. I would think your c6 should have a decent amount of supported parameters. Re-poll the parameters and have a good browse. Being e38 it should have what you need...

Cryptically what I'm trying to say is there's a combo of parts and / or a tuning strategy (mafless, custom os etc) that has to be causing this. I can't imagine in stock form this problem existing at...

This is important.

L1FTD and I have virtually identical cars. Same base OS. Similar power levels. Different aftermarket components. I don't have this issue. Just got lucky. If L1FTD was in a...

Use the same formula. Dynamic air and maf air are within a bees dick of each other when you're driving smooth. 87 is cruel on a LS, let her rip man, stump up for the 93

That'll do for 98%. No good for throttle stabs, keep that in mind.

any other airflow channels? Like mass airflow

dynamic airflow, rpm

([2320.71]*(120/8))/[50070.56]

It's the tune messing with the thermostat. Need that fixed pronto. Adjust a/c pressure at 11.2% fixed it for me. Good luck