muncie21

iTrader: (14)

I put my PCM into SD mode by changed the MAF fail freq to 0. From my understanding the Low octane table is used during a MAF failure, so it should be used in SD mode.

What about the Primary and Secondary VE tables? To you revert to the Secondary VE table in SD mode when triggered by a MAF fail?

Are there any other significant parameter changes accompanied by SD mode, i.e. MAF fail?

shizon

iTrader: (1)

Yes, the secondary VE table is used if you have one when in SD.

DirtyJohn

iTrader: (8)

What model year cars have the Secondary VE?
Most posts refrence only 98's but my 2000 stock reading has a secondary VE table.

I have been logging and flashing like crazy over the past weeks only to find out now that modifying the primary VE after failing the MAF has been a waste of time.

Can anyone clarify what model years have the secondary table?

txhorns281

iTrader: (12)

98-00 had the secondary tables

SmokingWS6

iTrader: (1)

I change 99-00 ls1 cars over to a 02 file if they are looking for major tuning work. If you do such dont forget to correct the IFR ect as 02 paramaters differ from 99-00.

99whitews6

iTrader: (2)

Is there a how-to on this? Whats the advantage if I change my 99 over to a 02?

If I did this, would I still be able to tune with my 99 hptuners cable?

Thanks!

txhorns281

iTrader: (12)

not much advantage, you can still tune a secondary VE plenty fine, the resolution lacks, but interpolation makes up for it. I would say it's mainly for esae of tuning. You can always switch to an 01-02 program (as long as you have the support for the year on your cable), just be sure to reinput whatever 98-00 unique parameters there are

SmokingWS6

iTrader: (1)

Ease of tuning, exactly.

On occasion I have found some oddities in 2000 files that would not go away with tuning, after switching to a 2002 file the problem disappeared.

99whitews6, In order to change over the file using Hp tuners, you'd need to own a license to your vehicles year, and the year you wish to upgrade to.

RedWS6 00

I have a 2000 with no secondary VE table.
I upgraded to the 1 BAR MAP SD tune from HP tuners. Software is only licenced for a 2000 car.
Its one less table to worry about when tuning in SD mode.

DirtyJohn

iTrader: (8)

I gotta say thanx for this thread.
After this, and two flashes my LTFT's are hovering around -2 < VE < 2

Thanks folks, its nice to see progress.

DJ

KRAZY K 2000 TA

iTrader: (5)

i just switched to speed density also and i am confused there is a main ve and a primary multiplier what is the multiplier used for since it only goes to 6000 rpm,also what else should i change i shut my maf codes to 3 no error reported and set my maf fail freq to 0,am i missing anything