FuelDoctorFD47's channel

A demonstration of the power conditioning qualities of the Fuel Doctor Platinum FD-47.

Shows readings before the fuel doctor and after the fuel doctor

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Explains how the Fuel-Doctor FD47 works. The FD47 is also known as FD-47, Fuel Doctor, Fuel-Doctor, Fuel Efficiency Booster.

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The Fuel Doctor FD-47 is now available at Best Buy, Heartland America, Hammacher Schlemmer, Napa Auto Parts, JC Whitney, Sportsman's Guide, eCost, ...

Certified lab and field tests for the Fuel Doctor FD-47 show up to 15-25% improvement in MPG! The FD-47 increases power, reduces emissions, and inc...