Fuel Efficient Car Saver Review

After trying this product, I have experienced a remarkable improvement in my car's fuel efficiency. The Okeytech Car Fuel Saver is a must-have for every automotive owner. It's easy to install and helped me to save fuel without compromising with the performance. The product also helps in keeping the engine healthy, which in the long run is a great investment. The only setback I found is that the product doesn't work with every car model, so it's important to research before making a purchase.

So I tested this product for a few weeks or over 500 miles. According to the package instructions, the mileage should be increased after 150 km. Unfortunately no difference. I have to agree with other reviewers (who go into great detail on the technicalities of this product) reporting that this product sells "hope for fuel savings" rather than "actual fuel savings". And with its claim of 15% mpg improvement - who's to say? That's around 1-3mpg, depending on your car's typical mpg... not to…

I started out assuming that this is nothing more than a gimmick and that it will actually have little or no impact on my gas mileage. Now don't get me wrong, adjusting the computer settings for a car can affect fuel economy, sometimes a lot if done right; but this unit is issued for every car from 1996 to present. I don't see any way for this to work with a common set of parameters as each vehicle is its own law, even two cars of the same make and model will likely require different settings to