Search:

Just bumping this post in hopes for a little more help. Still getting periods of running really rich, during this time the pcm commands 13.6. Would this still be the cat test, or is this something...

Actually i take this back kinda, seems it going lean has stopped, so i just see short runs of rich (12.9-13.2ish) for a few minutes after i start the truck/cycle the key.

And just for shits, does...

Well, zip tied up the o2s, turned anything that say o2 sensor 2 to no error reported, and re flashed. Still seems to be acting the same. Do I have to unclick ses enabled also?

Awesome, thanks so much for the info. I'll check back and let you guys know if that was the fix!

I know this would be a lot to ask, but anyway to find or post a list of all codes that need to be set to no error?

But let me see if I can get this straight.

Install rear o2s, and ziptie them...

Yes I am? But there set to no error reported?

Hey guys, I have kind of an odd situation hoping you can point me in the right direction. I have a 2006 GMC Sierra that I recently swapped an lq9 into, 228/234 cam, CNC/milled 799s, ls2 TB, ls3...

Tried it last night but it wouldn't run at all, would fire up but die. But it also was a cold start, wondering if once it warmed up and in CL it would run

Hey guys, currenty have my sierra tuned to run in speed density, which still has 2 dtc's that set, but the MIL is turned off. I need to smog the truck for a sale, and in CA I cant have any DTC's...

Hey guys, little background on the truck. had an lq9, 80e TSP TV2 cam, nnbs intake and TB, and Longtubes. Truck was tuned locally and has been great for about 6 months. Recently I started having some...

Looking to get some input on what I should be tuning out, and adjusting for my 4l80e swap. I have a 2007 CLASSIC GMC Sierra 2wd, that I swapped a 4l80e into. I know that I need the segment swap and...