E38 Injector table increase

[MStefak]

I cant remember if I asked this question before but im back to trying to find why I have driveability issue once the temp drops . Have to wait until the truck is pretty well into closed loop to be able to drive it or it will not move , put it in gear and it dies.

Anyway back to the question , I have an 08 sierra 6.2 supercharged etc and I have 95 lb/hr @ 43 PSI injectors in it and my tables don't go high enough. Is there a way to have HPTuners modify the tables so I can flash it in or maybe swap to an 09 PCM ?

Thanks in advance.

[rob82]

Yeah this is an issue I've run into before. I couldn't get around other than to fool the air equation which is very undesirable. The later Cal's/ECU's go up 16g/s but would be great to have this option in the earlier ECU's..

[Eaglegoat]

You've got to scale the tune.

[schpenxel]

Double stoich AFR table, half injector flow rate

[alexl226]

^^ that.

[mowton]

Double stoich AFR table, half injector flow rate

Will work as long as you don't run out of MAF HZ....then either SD (scaled) or a a larger diameter charge pipe....

Ed M

[schpenxel]

True!

Should also cut IVT terms in half if doing the double/half method.

[Eaglegoat]

True!

Should also cut IVT terms in half if doing the double/half method.

I was curious if you were going to come back and fix it.

[schpenxel]

Of course!