My car's fuel consumption has gotten worse after using a product from COSWAY - AutoMax NanoTech Fuel Enhancer (NFE).
Previously getting about 10km/L.
After using it ONCE with 1 Full Tank, consumption straight increase to about 7km/L
Stopped using d product immediately. I thought maybe after 1-2 full tanks of fuel will flush off all of that crap....However after 7 Full Tanks of fuel, still the same.
I want to know which part of the engine/fuel system that could have been...
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