Idle table only adjusts idle at a stop and no A/C.. if the idle is set lower than stock "680" you get a surge as soon as you start to roll or the A/C engages.. this gets particularly annoying at times.
Idle table only adjusts idle at a stop and no A/C.. if the idle is set lower than stock "680" you get a surge as soon as you start to roll or the A/C engages.. this gets particularly annoying at times.
Was not aware it was an issue.
I no longer monitor the forum, please either post your question or create a support ticket.
I put in a low priority ticket in April http://support.efilive.com/view.php?...8429-QPSG-8480 but first noticed it long ago. I am surprised no one else has brought it up. It doesn't seem to affect the LMMs. I dunno..
It has been brought up before on other forums, most have just learned to live with it. I know I turn the idle down on LMM's, but as seen as it senses any RPM to the driveshaft it raises teh RPM's right back to 720 instead of 680 where I set it at. Just one more thing I like about my LB7 as I run a 600 idle on it.
1995 GMC 2500 SUBURBAN powered by 01 DURAMAX/ALLISON, little of this, a little of that,
DIAMONDEYE 4" exhaust, CORSA muffler, AFE stage 1 dry filter, custom tuning by me, KENNEDY single pump and pump rub kit.
Sometimes inadvertently increasing the P.W. in the idle cells will result in a lope. I just had that issue crop up. Returned those cells back to stock and all is well
Matt
'06LLY, 5" MagnaFlow Turbo-Back Exhaust, EGR Blocker, K&N Filter...
There is probably an unreleased idle adjustment for AC, that would make a lot of sense. It exists on other year groups.
If you want to log rpm, pulse and actual pressure, and post the log here, it might help. Smoothing of the pulse table can be warranted, as lowering rpm often increases pulse and mm3. If act pressure is dipping, then the pulse lope (instability) can get worse as you head toward the 20mPa column. But a log is needed to give accurate direction.
Michael, Systems Engineer 04.5 D-max LLY, Phoenix, Arizona Email
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I have had my LBZ idling @ 650rpm for a couple years and have not noticed any of what you describe, even with a/c on...???
any ETA on a fix for this? or is EFILive leaving the Duramax for good in favor of Cummins
2008 Chevrolet 3500HD DRW LTZ
285/75/17 Nitto Dura Grapplers, 4.56 gears, Front and rear ARB lockers, Efi Live tuning by me, Raptor 160 LP, Cognito 4-6 NTB Lift, 4" Exhaust, Built Trans by Mike L.
Sold - 2004 LB7 Duramax, EFI Live with DSP5 Tune
stage 4 SC transmission, 265/70/16 tires
'07 TBSS, LS2, T42, 3SS, Black on Black on Black, Pretty much stock at the moment. EFILive will fix that
'06 LBZ/Allison 6speed, EC, LB, 1LT, Leather
Current Mods: EFI Live/ PTO High Idle Mod/ Factory Exhaust Brake / BD Full Bore/ TransGo Jr./ TTS Twin Lift Pumps/ MBRP 4" turbo back/ Custom air box mod/ BullyDog Outlook Monitor
465hp/1008tq---7/25/09---Dyno Day Fast Specialties Tuning by ME