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Volo Performance Fuel Saving Chip Tests

          Last month one of our new dealers suggested I test out the Volo Performance OBD Dynamic Soft Flash Fuel Saver that attaches to the OBD-II connector.  Since our Scangauge also attaches to the OBD-II cdonnector I called the company that makes the Volo and asked how it connects and whether I could still use my Scangauge.  Come to find out the Volo has four wires that attach to the wires that lead to the OBD-II connector.  I ordered the FS-1 Volo that is specifically made for fuel savings, hence the name FS-1.  They also make other units made for performance like increased horsepower.  All their units are vehicle specific so it can’t be used on you next vehicle unless it is the same model.  I ordered the one appropriate for my 2002 Pontiac Aztek.

The Volo installed next to the brake release lever. 

          I installed the FS-1 as instructed except that I also installed a switch on the power wire so I could disable the unit when testing baseline mileage.  After installation I activated the FS-1 by resetting it as instructed and confirmed it was active by watching the indicator lights.  Then I headed to the fueling station and filled up with gasoline.

          It was a hot afternoon and perfect weather for best mileage, no wind, and high temperatures (58-90 degrees Fahrenheit).  I chose a 40 mile highway driving course on Interstate 87 for my mileage test and used the Scangauge to determine trip mileage. I hit the start line at 70 mph and hit the reset button for trip mileage on my Scangauge.  The round trip from exit 18 to and around the cloverleaf at exit 13 and back had a section of 55 mph work zone around exit 16 in both directions.  Through these sections I drove 55 mph. 

          The first run tested the Volo FS-1 and at the end of the 40 mile round trip the Scangauge read 27.6 mpg for the trip.  I immediately got off the next exit shut off the engine, turned off the switch to the Volo FS-1, then started the engine.  I confirmed that the Volo FS-1 was disabled by checking and seeing no indicator lights illuminated.  I repeated the 40 mile test loop exactly as before and recorded the Scangauge indicated trip mileage of 28 mpg.  Throughout the trips there were numerous check points that had exactly the same mileage.  It wasn’t until going through the exit 16 work zone that the baseline mileage began to inch up compared to the mileage during the test with the Volo. 

Conclusions:  The Volo FS-1 did NOT improve the mileage of my vehicle.  The recorded 1.4% drop in mileage appearing gradually during the last 10 miles of the baseline test is suspect since the checkpoints during the first 30 miles were spot on.  The slight increase may have been due to more traffic causing a general air flow in the direction of flow (less wind resistance), or possibly a temporary local breeze caused by the thunderstorm apparent on the weather map 10 miles to the Northwest, after the test.  But there was no wind before or after the tests.  The test definitely proves to me that at least on this vehicle the Volo FS-1 does NOT improve fuel mileage.

          I may test the Volo again on a vehicle that has Hydrogen Boost installed and will used it in place of and in conjunction with our normal electronic control circuit.  I do not expect it to do the job of our electronic control circuit and I don’t expect it to help the Hydrogen Boost system.

 

 

 

 

 

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