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Ignition/Tuner/ECM/Fuel InjectionNeed advice on ignition issues? Questions about a tuner? Have questions about a EFI calibration or Fuel Injection? Tips on Engine Diagnostics, how to get codes, and what they mean. Find your answers here.
The rev-extend is a feature of the Firmware of the PCIII-USB Not all firmware downloads have it enabled. So some MAPS are written for the rev-extend and some are not.
This feature should only be turned on if you have modified your valve train to handle the higher rpms.
The map description may say rev-xtends enabled, but you have to enable it. Set it it up like you are installing a map and hit ctrl-f and a box should come up. Check the rev-extends box and your set.
CB
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