Tuning LS7 Wetsump Gen IV e38

[c4love]

For the love of life I cant get this car to stay in open loop.... My O2s keep taking the wheel and I have tried everything I know to disable them can someone suggest what they fail to keep o2s from changing fuel trims.

This is in a 2013 Camaro SS just finished the motor swap. I was able to do this on my e67 ecm but this e38 is giving me hell.

Disclaimer I am very GREEN to tuning but am learning...

TIA

Chris

[Jarrod.v]

Do you have a current tune file you can share?

Engine-Fuel-Oxy Sensors-Monitoring-O2 Readiness needs to be set higher or lower than what the engine will ever hit. I.E. max to 493 degrees F

[Ben Charles]

Let me know if I can help!! Depending on cam size, by I would run closed loop on that setup though

[c4love]

Let me know if I can help!! Depending on cam size, by I would run closed loop on that setup though

Im thinking I found it here just need to test tomorrow but im thinking the below settings should keep me in OL for MAF tuning. Fingers crossed..

Capture2.PNG

My next problem is I installed a 160 Tstat and I want to be able to turn my fans on eariler but sooniest I see I could turn them on at all is 192F seem high to me... Any ideas or suggestions or is having them come on at 192F ok?

Capture.PNG

[c4love]

Do you have a current tune file you can share?

Engine-Fuel-Oxy Sensors-Monitoring-O2 Readiness needs to be set higher or lower than what the engine will ever hit. I.E. max to 493 degrees F

Thanks Jarrod - I think I may have that sorted will see tomorrow, now im trying to figure out how to get my cooling fans to come on eairler than 192F...

[Ben Charles]

The picture you posted above will do nothing to keep the car in OL

[c4love]

The picture you posted above will do nothing to keep the car in OL

Thanks Ben for the reply. Mind sharing what you would set to put the car in OL? Attached is my current tune file.

[Ben Charles]

Just max out the ECT and time for Closed loop and it will stay in OL

[hjtrbo]

From memory, running the 2 bar custom OS gives you a few extra cells down as low as 160F.

[c4love]

Just max out the ECT and time for Closed loop and it will stay in OL

Thank you Ben really apperciate it will give this a go.

[c4love]

From memory, running the 2 bar custom OS gives you a few extra cells down as low as 160F.

Sounds good Hjtrbo, except not sure how to set up a custom 2 bar? Sorry I am very GREEN to tuning as you can all see. But im taking suggestions and learning a little at a time.

I did manage to get my car to idle today sitting in the driveway without stalls or overheating so progress is all im after dont need the car fully tuned race ready tomorrow, I would rather learn the process and understand what I am changing and why.

[c4love]

Thank you Ben really apperciate it will give this a go.

Bingo! Thanks again Mr Ben. You da man sir.

How to get into open loop.PNG

[Jarrod.v]

lol thats what i said to do on the very first reply...

[c4love]

lol thats what i said to do on the very first reply...

Thanks Jarrod.v as well sir! Thank you ALL!! I will have many more NOOB quesitons just stay tuned See what I did there.

[Jarrod.v]

It's all good. I'm here constantly learning new things too. Between here and youtoube, we will all become experts though

[c4love]

Good Afternoon fellow tuners! So im in OL and MAF only i think - Took the car around the block and made it! but not before my car went into limp mode im guessing because it went SUPER Lean 3300Hz on the MAF. Is this something I just multiple by half on and rinse and repeat until I stop hitting limp mode?

Attached is my log which fairly short and the tune I was running while logging. Thanks for any suggestions or help ALL!

Chris

[Jarrod.v]

Literally had the same similar issue today except I am in SD only. Did your maro throw any codes? I generated a P0106 and P0068. Had some insight from others and suggested to raise a couple parameters. Check my post, and see if that helps. It's the one with the Help! Reduce Power lol

[c4love]

I got a couple TB codes P1516, P2101, I have a 102mm TB Drive by wire ETB. So mine seems throttle body related. But no idea why or what I need to look at changing there...