When I try to write a new file to my ECU it says at the bottom unlicensed vehicle. to I recently had someone look at my tune file then email it back...
That depends how you want to approach that. But flashing it back to stock won't fix your split fuel trims. I'm telling you that's not something that...
Do you have a fuel pressure gauge on the vehicle? Have you tried starting it using spray? Starter fluid, carb cleaner, flammable brake cleaner, etc.?...