Hi Frank,
How far up in RPM have you tuned so far? Before driving I would tune up to at least 5K so there is a baseline as well as somewhere for the engine to return to.

Cheers, Charlie
If It ain't broke, Modify it!
87 Montero turbo Converted back in Spring1989
95 Montero SR 3.8 DOHC Only one?
93 Pajero 3 door 6G75 Mivec with paddle shifted 5 speed
Then a Gen2 SR with full coil independent suspension.