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SSpdDmon
September 11th, 2006, 03:10 AM
Saw this when cruising my tune...GM.DYNCYLAIR_DMA in B4901 listed as Grams/Second. Shouldn't it be Grams/Cylinder or maybe a different PID like GM.DYNAIR?

'02 F-Body LS1 A4
OS 12212156
joecar
September 11th, 2006, 05:17 AM
SSpd, I pm'd your post to Paul.
acsf
October 19th, 2006, 03:46 AM
SSpdmon, Joecar,
I am also confused by that as well. Did anybody get an explanation?

Andy
dc_justin
October 19th, 2006, 05:47 AM
I would have to say it is correct. Look at the scale of the units in the left image you posted up. They go up to 150 there in the g/sec unit, only 1.2 in g/cyl.

Conversion should be something like...
g/cyl * # of cylinders * rpm/2 / 60
joecar
October 19th, 2006, 05:59 AM
I would have to say it is correct. Look at the scale of the units in the left image you posted up. They go up to 150 there in the g/sec unit, only 1.2 in g/cyl.

Conversion should be something like...
g/cyl * # of cylinders * rpm/2 / 60
So the link to B4901 isn't GM.DYNCYLAIR_DMA (g/cyl), it has to be a _DMA pid having units g/s rather than g/cyl.

I'll pm Paul again.
dc_justin
October 19th, 2006, 06:53 AM
So the link to B4901 isn't GM.DYNCYLAIR_DMA (g/cyl), it has to be a _DMA pid having units g/s rather than g/cyl.

I'll pm Paul again.

Touche. For some reason I thought you could view DYNCYLAIR_DMA in both sets of units in the scan tool. Should be able to fairly easily though. :nixweiss:
joecar
October 19th, 2006, 06:59 AM
Touche. For some reason I thought you could view DYNCYLAIR_DMA in both sets of units in the scan tool. Should be able to fairly easily though. :nixweiss:There's about half-a-dozen air pids with similar names, so it confuses me too... :fluffy:

I think the correct link pid might be GM.DYNAIR which is in g/s (...which isn't a _DMA pid..., so I'm not sure).
Blacky
October 19th, 2006, 12:04 PM
The image on the left "Charge Temperature Blending" should be using the normal airflow PID {SAE.MAF}

What operating system is that screen shot from so I can track it down.

Edit: It looks like all of them are affected - I'll get it fixed.

Paul
SSpdDmon
October 19th, 2006, 12:33 PM
Cool...thanks. BTW - OS was listed in original post right above pics. ;) Long day, Paul?
joecar
October 19th, 2006, 01:03 PM
I see it in 12202088 and 12212156.