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I have found out from a reliable source that Jasper engine has worked with HP tuners and GM on a transmission software update for the TCC lock-up delay that is correcting a lot of the trans-shifting...

I agree -search is your friend...i just used it to answer the same question-Thanks Shrek

wiring shows clutch switch is not connected to pcm just to starting system.
I am going to hook up vss and see what happens
THX

I appreciate all you time and thoughts on this-Yes the file was a clean stock one and even reloaded one again.
It does not throw any codes except for a over range for MAF when customers over revs...

dfco on or off still stalls-WTH
What else could control decell mode for the idle?
I will not do it sitting still-only when moving so it must be speed related even though there is no speed input-or...

used default imperial config file
can we turn dfco off all together -no cats on vehicle anyway
enable speed-0 for no abs sensors
Noticed in drive files -right before stall inj duty at 0%?? DFCO...

ok made some suggested changes to the tune- Still same stall issue-I attached some drive files to view
What Am I missing?
Is it because there is no speed signal that the IAC is confused???

I...

I have a 06 cobalt s/c tune which i have edited to try and stop a idle problem at road speed only.If you decel and push clutch in it stalls-BTW it does not have a clutch switch due to the fact it is...

If its Not Broke -dont fix it.:yay:
My beta has working fine till now.
doing a new download
Thx Bill

My customer page shows 2.22 april 2008-so i guess a email?
I e mailed for a update

just tried agin with full charge on battery this is what i get when i try to write...
VIN not detected

so i enter VIN

Then i get a
Lic Error Box
It Says...
Requested access Fail
Unable to...

yes using - 2.23 3610.18541 beta

hi Bill,
I purchased credits for a file i need to edit.
I got the file from who tuned it by e mail.
edit that file and try to write it to car and get error-
can not edit
is it tune locked?...

go it thx

Can I tune a XLR 4.6 with HP Tune
THX

yes
yes
yes

I know this has been hashed out many times but I am at moneys end with tuners and It doesnt seem to get better.
5.3 running whipple 8 psi but only see 6 psi boost no matter what-that is not the...

When WOT AFR is 10- When I back off after boost only and vac hits zero, fuel trims go very lean like minus 28 for a split second and WB shows 17-19 afr at that time MAP is at 100 kpa @ 2200 rpm-Can't...

i do one and post it -thanks

some specs...running 2 bar SD os
5.3 bore to 5.7-h beam rods-forged blower pistons 8.5 to 1 compression- whipple at 10psi-55 lb inj-comp blower cam-headers-built 4l60 and 4.10 gears

forgot has...

sorry just changed thet in a effort-will revert back to no mil you mean po101-102-103 ?Thanks

the truck runs well-but on hard accel afr drops to 10 and losses power because its to fat-some time will also go to 10afr on 3/4 throttle.Have tried to delay PE but still happens-any suggestions?
...

3:73

08 silverado 4.8 auto-no mods
This truck is a dog until 3000 rpm :banghead:
I have removed all I can see with no change for this problem-
delays,torque limits,trac,powerhop,and so on :shrug:
The...

Hey Bill-just make me number 400 ish to ask
Thanks again