Help with tune adjustments

[SuperChevy]

It screams wide open (Today was the first time that truck has ever broke the 35" tires loose shifting to second). After warm up it wont idle at all and I have to keep the throttle cracked to keep it running- by the stuff spitting out the exhaust I am guessing that it is getting too much fuel at idle. I do not have a wide band sensor but am planning on ordering one so I can make all the fine tuning adjustments.

Any insight to why the idle would be so radically different between the scaler at 94 and 190?

[L31Sleeper]

Any insight to why the idle would be so radically different between the scaler at 94 and 190?

Yes it will use a different part of the VE table (part with less fuel) However it won't do
as good under boost. I modified the VE table and kept the 190 change.
If you get the scan tool working log Injector duty cycle, you might need bigger injectors.

Check it out
-Justin

[slows10]

Try doing a log with 24 channels or less. I opened your log you posted a few days ago and you had 73 pids selected. Thats way to many. It slows down the frame speed a ton. Log the fuel trims. You can get alot closer than you are by logging those.

[SuperChevy]

Okay loaded that tune and same thing I tried -10% changes to the VE up to 30% and did not notice any improvements in the idle. I reloaded the 94 tune so we can take the truck out for the night and will do some more research into my log issues and try to get the duty cycle and fuel trims and lean down the things I log and try to post in the morning.
I really appreaciate all the help everyone is giving.

[slows10]

Is the maf disabled. Maybe someone like joecar will chime in and help. This tune looks a bit screwed up to me.

[joecar]

Regardless of anything, fix these out-of-range values before doing anything else:

Out of Range calibration summary: 04:05:22 pm, Sunday May 29, 2011

Engine Calibration.Fuel.DFCO
{B3308} DFCO M6 Enable Temp, was out of range when loaded.

Engine Calibration.Fuel.Mixture
{B3614} Hot PE Mode Coolant Temp Threshold, was out of range when loaded.

Engine Calibration.Fuel.Lean Cruise
{B3636} Vehicle Speed Lean Cruise Enable, was out of range when loaded.

Engine Calibration.Abuse Management
{B1207} Abuse Management Vehicle Speed Threshold, was out of range when loaded.

Engine Calibration.Shiftlight
{B5802} Min Temp to Allow Shift Light, was out of range when loaded.

System.Fans
{G0903} Fan #1 Turn-on By A/C Temp, was out of range when loaded.

Also A0012, A0013.

[slows10]

Also maybe you should stay out of boost until you get a wideband and get that tune looked at.

[joecar]

+1 need a wideband.

[joecar]

B0101 VE does not look right... after 4400 rpm does torque really drop off that quick...?

[L31Sleeper]

Is the maf disabled. Maybe someone like joecar will chime in and help. This tune looks a bit screwed up to me.

I'm just trying to get something that will run so he can take it from there.

I thought something was out of range but the software has changed.......I didn't realize that you have to push the refresh button, before you didn't, it just showed the list ??

We still need the scan tool working to verify MAP function.
Garrett be careful running that tune with the MAP at 94 it might run lean ??

-Justin