I would not want to kill the ecu all the time, as modern ecu's have a learning feature, and are probably not as efficient compared to if you have been driving a whole day or two with no interruption to the ecu's memory. Turnin off the engine @ key isn't cutting all the power to the ecu. I used to do that to get rid of check engine lights when I overboosted my srt-4. I would get the WOT power back with a reset, but the car ran ugly on both the streets and the highway for a few minutes everytime. I dont know how you did your mods. However i DO have an injector cutoff that is installed, and who knows if its really making a difference I plan to make it all automatic with vacuum switches that open/close when throttle is released.
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