ROM Editor 4 tuning software questions and answers.
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I have a non Vtec ecu that was socketed for the S200 and I used to tune it with using the old romeditor 3 and I can get the Vtec to turn on. But now, using the romeditor4, Vtec won't engaged when vtec option is selected. Do i need to send this ecu to get the vtec install? thank you.