After all my troubles, money and time spent with mechanics, auto electricians and mates or forums, i can only highly reccomend 2 people.
SIDESHOW (sss automotive) in NSW Sydney.
or
SCOTT HAMPSON (venom custom fabrications) in QLD Brisbane.
Scott wired my factory ECU / Loom and Sideshow diagnosed and fixed any problems i had with set up / tuning issues.
THESE MEN KNOW WHAT THEY ARE DOING with 1UZ's
Many thanks guys. Im a happy camper now