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Originally posted by 03TundraTRD
Ok so is there way to reprogram the 2UZ-FE(V8) and 5VZ-FE(V6) you are right about the piggybacks they are band aids.
Also have you heard of Superchips for ford from the flip of a switch you can go from stock setting to a race setting.You can also upgrade it evert time you do any engine mods. I heard about this when I THOUGHT I was getting a Lightning(parents like to twist there words around).You should contact them to see if they are interested in making them for Toyota motors.
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Supposedly the newer Toyota ECUs are reflash-able, just like GM/Chry/Ford ECUs. I'm pretty sure 2001-on, maybe 2000. The problem is the code & flash-method is proprietary and would have to be reverse engineered. But at least there's hope! There are already PC/windows based re-flash programs available for the Flash-programmable GM ECUs (using a "home-made" interface cable). Pretty slick, too bad GMs engine controls suck...
Something along those lines should emerge for the Tundras. If I could find an Electrical Engineer and Microcontroller Coding Expert and lock them in a room with a Toyota flash-ECU and flash programmer for 2 weeks...
Any volunteers?
