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All I have to say is WOW! Thanks for breaking down little kid style for us beginers. Keep up the good work:worship:

Have you compared your inj flow rate vs kpa vac and flow rate modifier to other tunes? Most other LSJ tunes I've seen, ramp up the flow rate and change the flow rate modifier.

I had the same problem. Mine was caused by the front o2 sensor going bad PO1035

New problem
When I turn the car on and I reach 900rpm, which is my idle, it goes really lean and bucks and surges for 10 to 15 sec then somehow corrects it self. Why is it doing this?

problem solved, thanks for the help.

Also, i didn't mention i regularly get P0135. Is my O2 sensor going out, making my computer go crazy?

Here is another log. During the begining of the log I go into OL-fault. What is causeing this? Also should my injector duty cycle ever be at 0%

Hey guys, I"m still having this problem. Any insight?

Vehicle is a 2005 Cobalt ss/sc

I have done a few hours of Maf tuning and have been recently been working on PW. Yesterday after a few logs and small corrections in pw, in the middle of the log(at least 20 min into the log) I...

Thanks, How do I do that?

I need some help tuning my 05 cobalt ss. Were changing the ve table but stft are staying at -50.

Well the dyno is over now but here was my tune9688
and the scan 9689

thanks, I'll try that.

60 lb injectors, 2.5" pulley, ported supercharger, water/meth. I'm running on a tune from Intense

After many scans My ltft's are still at -5o and my afr % error is reading 0. What am I doing wrong? I don't know what to try next.