Originally Posted by
The Black Sheep
The truck is now missing the 1-2 shift randomly. We lowered the shifts to 6500 rpm left the rev limiter at 7000, still cut out. SUPER interesting to note, we did a pull to the top of 3rd and as you know the 3-4 shift isn't set up from the factory to happen at WOT, so when the truck got up to 6500-6600 rpm, it cut out again. Crank signal is clean so I don't think it's an rpm issue, but now it cutout with no shift scheduled? Short in crank signal that happens with higher rpm/vibration maybe?