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Thanks for the explanation

I have read that CLSD tuning is more accurate and
some people have tuned with autoVe and wide band
and found the LTFT are very high and uneven ve table
can you explain this?

I have read about SDOL SDCL With and without maf and LTFT tuning
I always thought CD tuning would offer the best tune and economy
but have read OL tune is more accurate
For a near stock gen3...

I have sent an email with 2 screen shots

Hello i have tried changing T6 as suggested with no luck
and i tried changing $F5 to $F7 still no luck]
still getting the same errors

took some data pics this is what i get

I will try again next week and see if i can copy some errors

Its a v6 stock chip the car is standard

I have a VX commodore and cant connect to data log
I keep getting checksum error and truncated error
I have tried changing all the setting i can but no luck
Can any one help?

Good info thanks for that

Thanks for being patient but i think i am not explaining myself well
I followed the prosedure for LTFT tuning and all the cells went to 0 as expected
then i changed the 02 switch point back to the...

when i say the cell numbers are low i mean the ones i have changed using this method

The cell numbers are very low
it is rich on warn up

i have put the 02 switch points back to original.
Should i have kept them all at the 450 mv as i that is where i did my tuning
now when i...

Just a few questions with LTFT tuning


I have been following the forum for LTFT tuning and have set the O2 switch point all to 450mv

1. I want to know when i have finished do I set the O2...

Looks like i have fixed the hunting Thanks but have posted my log file for help with the rolling idle-flare to stop problem
To add to the description, when parked on a hill in gear or neutral when...

any suggestions anyone
The rolling idle speed seems to be the problem coming to a stop my rolling idle speed is set to 750 rpm but goes up to 1100-1200 rpm when moving

sorry if i sound slow hear but,
does this mean i dont touch the ve table at all?
just the maf table

I have a followed idle forum and have my idle almost good
the problem i have is with the throttle closed as the the auto moves the car on a slight down hill slop as the car is moving it hunts quit...

I have read the procedure on tuning with LTFT using CLSD setup
Can any one advise me how to do this with using MAF turned on.

I have read the forum on tuning with LTFT and it says to set CLSD to tune.
I Want to use maf sensor. Is it the same or What is the procedure for maf setup?

I have a LS1 auto and have the tune pretty good now just having problems when coasting around 60km to 80 kms the car wont decelerate i have to apply the brake to slow down
at rest in neutral and in...

I have a LS1 Auto I have followed the idle forum and fairly happy with what i have The main problem i have i coasting at 40 to 70 km the idle hangs on at around 1100 rpm and the car doesn't slow...

I have read that timing can be based using the octane scalier the closer to 0.00 the more the pcm is using the low octane scale and the closer to 100 the more the pcm is using the high octane scale....

Is there a tutorial onRAFIG RAFNP?

This has made it a lot easyer now and it has dialed in quite well.
The tune seemed to be quite ok for the first couple of days, now it doesnt like to idle
can you sugest any causes i am runing with...