Looking at the tune on my 99 express EFI says and shows that some came with an economy mode.
Anyone know anything about the economy mode?
Can I just copy and paste the economy mode to my normal mode?
I don't tow with this van, but it is always loaded with about 2000 pounds of ummm "equipment"
Anyone know anything about the economy mode?
Can I just copy and paste the economy mode to my normal mode?
I don't tow with this van, but it is always loaded with about 2000 pounds of ummm "equipment"