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EEVblog #1181 - Car ECO OBD2 Fuel Saver SCAM

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Dave exposes the ECO OBD2 Fuel Saver as a complete scam.
They are supposed to talk to the car's ECU via the CAN bus on the OBD2 connector, but does it?
Bonus rant on Audiophile Audiophoolery!

Different board layout but basically exactly the same kind of silly light blinking that Big Clive found:

I'm sure there are people that believe these things actually do something, though...

DERP!  It works so much better than the fuel saving magnets!   :palm:

I can't imagine plugging random shit into the obd2 port, much less something with lofty claims.


Awesome  video  total  wankerey !

Hypermilers know about OBD2 gadgets that really can boost MPG - the Scangauge being one of the earliest ones. Quite a bit more complex than a box with flashing LEDs, but not that much more complex.

Of which, what I would like to see is a gadget that uses GPS data and computer vision to learn the timing of the traffic lights and inform the driver to speed up or slow down in order to maximize the chances of getting to it on green. Not at all an easy task but it can save a lot of time as well as energy.


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