having some issues with this tune. while driving it, the engine keep surging up and down about 40-60 rpm. here is a few hpl files
the 8th run.hpl is where I broke the super charger belt. dang
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having some issues with this tune. while driving it, the engine keep surging up and down about 40-60 rpm. here is a few hpl files
the 8th run.hpl is where I broke the super charger belt. dang
Your LTFT are hitting -24 finish tuning it and I'll bet your problem will go away
Post the tune. And Flame is right. Your fuel trims should stay around 0. -24 is dangerous
Use your WBO to generate a correction factor for fueling. You are running an E67 ECM with a Trailblazer tune. Many using HPT would run a MAF only tune - as the VE (or VVE - depending on your point of view) tables often overwhelm the less experienced tuner.
Also, your 2007 tune uses a Low and a High MAF table, in 2008 these were homogenized into a single table (my preference). When altering the 2007 MAF tables - make sure the highest column in the Low table (5800 Hz) has the same values as the lowest column in the High table (5800 Hz).
You are tuning a boosted ls2 and you don't know how to tune the ve/maf table?
Learn some basics before you blow that thing up! You should have a wideband that is logged against your VE and MAF tables so you can ensure the fueling is proper.
Your going to blow this thing up. You can't tune boost without a wideband. There is no way of knowing what your fuel mixture looks like until you hear a BANG
You need to hook the wideband up to HPT. That way you can log lambda error and tuning is soooo simple.
First things first get a wideband and make sure you can view it in hptuners. Dont do anything until you have that.
small adjustments
Don't go WOT your PE table is not commanding enough fuel your around 13.3 AFR (nor is your MAF from what I can tell)
Your limited by the 512 G/sec limit too, going to have to have a scaled tune or the PE table is going to have to be modded. Since your a centri blower REALLY either would work, but one is the more professional way of doing it.
Tune needs a lot of work
EDIT: Looked at a pull you did, don't go WOT again your maxing out the MAF G/sec limit at 4400 and your shifting it 6000+ with a PE table commanding 13.0 AFR (you have stoich as 14.3).
testing the wb02. It shows up on the table display and the chart display. How do I get it to show up on the histogram chart? or is it not suppose to?
You have to add it to the chart settings and histogram settings configuration.