EFIDynoTuning Forum

that would certainly disable it

can you double check this thing is still not acting right i cannot get it to stop cutting fuel its pretty much undrivable

trailer hitching and bucking on decel is normally a dashpot problem. Is it bucking?

It’s not doing it just on decel it also does it when I try to maintain speed and it acts like it shuts the injectors off you can see it in the log Josh 5

is there a way to shut off all injectors cut features like delta force has or something
this is preventing any progress in dialing in this truck and i have a deadline of the 22nd

i took the auto enabled tune and flashed it on to the ecu with mongoose then i too a deltaforce interface pulled the tune off from the ecu and on delta force changed the fuel injector shut off switch to off and it does not cut fuel like it was but has a strange lean airfuel when cruising sometimes below ill attach a log and the current tune modified with delta force

decel fuel shut off is perfectly normal and ideal as well. It can't cause any tuning issues that I'm aware of.

but any of the dfso criteria parameters can disable it

the switch you enabled is the ful_no_co_sw which disables all limiters.

your throwing a mil and setting a code, something is failing causing her to go in to fail safe.

im aware that dfso is a good thing the codes i have on it are the following i cant see any of these causing the current problem also ive put 2 different tps sensors on it with the same results

p0443 evap circuit
p0602 which im pretty sure thats because of the chip in the ecu
p1000 onboard monitor
p1232 fuel pump circuit
p1479 high fan circuit