You plugged in a power programmer to tear up the street when you mash the pedal. So, what about the 90% of the time when you are just cruising? Thankfully, automakers added the Active Fuel Management System to cut your available cylinders in half when you don't need them. While this system works well, it strangely operates only a third of the time. With a Range Technology Active Fuel Management Chip, your fuel saving system stays active when you need it the most, saving enough fuel for another run down the drag strip.
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Towing heavy loads takes everything your V8-powered rig can muster. Sadly, if your ride is equipped with Active Fuel Management (AFM), your towing needs take a backseat to fuel economy. Those power-packed 8 cylinders are cut down to a measly 4 at the most inopportune times, leaving your truck feeling sluggish and unresponsive. Put all of those ponies back to work in seconds by plugging a Range Technologies Active Fuel Management Disable Device into your rig’s diagnostic port. 2-year warranty.