does anyone have a tune file with the propper stuff cut off to tune the VE that I could look at? Or a link that has a good how to for the newer VCM?
does anyone have a tune file with the propper stuff cut off to tune the VE that I could look at? Or a link that has a good how to for the newer VCM?
Yup. Set your dynamic airflow to 1500/1400 respectively and call it a day.
RSG Offroad
Jeeps. Jeeps. And more Jeeps. Oh and Jeeps too.
This disables the MAF? I've already unpluged it.Originally Posted by dont_blink
Thanks
Leave the MAF plugged in, it also provides IAT.
If you would like to disable the MAF then go into Engine Diag, Airflow, and set the MAF Fail High to 0.
Also go into the DTC table and set P0101, P0102, P0103 to 2-No Mil Light.
You can verify the MAF has been disabled while running the car by looking in the Scanner DTC window and you should see a P0103 logged in there.
my_bd 2004 Saturn Ion Redline - 2.0L Supercharged LSJ (P12) 13.1 @ 110
Thanks, I'm going to try this tomarrow.
Ok I've got the idle pretty good, the AFR is 14.6-15. There's a stumble at around 2k when shifting into 2cnd gear. It's bad enough that it cuts out and will backfire, then clears right up when the revs reach around 2500rpm. Anyone have any idea what this could be?
The car has a ported head and [email protected] cams.
Please look at what I've started with the tune and give suggestions.
log file?
my_bd 2004 Saturn Ion Redline - 2.0L Supercharged LSJ (P12) 13.1 @ 110
Here's a scan I just took.
Last edited by LS1408; 11-17-2008 at 09:15 AM.
Here's a scan with the MAF turned on. It seemed to be better until I pulled back in the yard. Then it shut off and didn't want to start back. It would back fire when trying to start and I think it killed my LM1 sensor. Now the LM1 is showing "ERROR 04 OPEN PUMP" any idea what that is?
Here's were I'm at with the MAF tune.
you should remove all of those Bank 2 pids from your pid table in the Scanner.
they will probably skew your results having them in there.
Add a few more pids while you're in there. Total KR, MAF hz, Baro sensor, O2 voltage, IAT2
Last edited by my_bd; 11-17-2008 at 03:30 PM.
my_bd 2004 Saturn Ion Redline - 2.0L Supercharged LSJ (P12) 13.1 @ 110
your logs show it going very lean between shifts, probably has something to do with the stumbling and backfiring.
Some sort of fueling issues there.
my_bd 2004 Saturn Ion Redline - 2.0L Supercharged LSJ (P12) 13.1 @ 110
Your VE table is way out, this is responsible for part throttle transitions and will affect the fueling during shifts. If you spend time calibrating your VE it should smooth everything out.
I've tried loging and multipling by % the VE wideband error and that's what I came up with so far.
I said it once, I'll say it again.
Set your dynamic airflow to 1500/1400 respectively and call it a day. This doesn't disable the MAF, it makes the car ignore the VE table above 1500rpm. Just listen to the guys who have tuned 100s of LSJs please.
RSG Offroad
Jeeps. Jeeps. And more Jeeps. Oh and Jeeps too.
should you always use ve when below say 1500 rpms? and leave the ltft the same? i have stumbling probs at idle with maf.
2006 SS Cobalt SC
Stage 2 ZZP Cams
Headers, 3.0" Full ZZP Exhaust
60lb inj. Intake.
2.8 Pulley
72# Lb. Supertech Springs
LNF Ext Valves and lashers
Cobre H/E, option B.
Torque Damper
HPTuned.
Bitchin'.
Ok, this is what I'm going to do in the morning. What about getting a good idle with these huge cams? I had it pretty good but then I set the idle air back to stock. I guess I'll add some back tomarrow and see how it does.
Out of curiousity, what injectors are you running?
RSG Offroad
Jeeps. Jeeps. And more Jeeps. Oh and Jeeps too.
The 42#'ers that came with the stage 2 kit.
What size pulley? Just the regular GM stage 2 one?
RSG Offroad
Jeeps. Jeeps. And more Jeeps. Oh and Jeeps too.
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