'09 Silverado Traction control like problem

[Mep_q8]

Just tuned one today and it got some good numbers, intake and tune yielded 260whp and 288tq...

From a roll it keeps pulling and has no problems, but from a standstill, its as if Traction Control is stuck on, even with Stabilitrak on!?

I removed ALLLL TM to try it out with the same problem?

It happened as soon as I tuned the truck with the beta? Any ideas what about this?

[fahadss2000]

do you mean you want cancel or disable the traction ??

[Mep_q8]

I've already removed all traction control....I have a feeling the problem I'm having is similar to this thread: http://www.hptuners.com/forum/showthread.php?t=22416

ill check it out over the next few days and see what happens...

[fahadss2000]

chick this please,

[Mep_q8]

thanks for the input... I've maxxed all the appropriate tabs to give it 0 TM... I've done this on several cars with no problems... I have a feeling it might be to do with the beta software I'm using.. when I downloaded the '09 file, I didn't do anything to the PCM coz I couldn't license it.. he told me the same day it was happening..

The truck has a Vararam Tri-power installed which has the MAF right in front of the MAP sensor.. When I checked the truck today there were a few errors from the MAF and MAF/MAP sensor.. I think it's to do with this, will tell the guy to install a stock or normal CAI with the maf sensor in its location and see how that goes...

[Redline MS]

Check the timing values at high load, low rpm............many times these are negative values and thats where the PCM goes from a "dig" when you nail it. Of course negative timing will drop the ass out of the hole shot!

Howard

[Mep_q8]

great, i didn't change those negatives out on this tune.. will give it a shot, cheers!