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3 reviews | 5 out of 5
I am a Walmart Photo Associate but this review is from a total consumer POV. I bought a used car that was having Catalyst issues. Dealership confirmed the CAT and the O2 sensors were ok but the system had carbon buildup. I poured a bottle of this in the tank and fueled up with 89 octane (87 doesn't have cleaners that 89 and up do). Ran the car on the interstate occasionally revving between 3000 and 4000 rpms for about a half hour ride. Car is clean and no Check Engine Light! Highly satisfied with this product!
my engine light had been with error p0420 on for almost a year. Husband put this formula in a full tank, reset the light, drove the car till it's almost half tank, still light didn't come back on, drove for the state licensing and passed with flying colors!
it works,gave it a try and you will not be sorry.