Quick Answer. A bad mass air flow sensor in a vehicle makes starting difficult and affects the performance of the engine because he engine-control unit uses data from the MAF sensor to balance the fuel ratio the injectors deliver to the engine.
While porcelain tile boasts exceptional durability, there are few products and techniques you should take pains to avoid: 1  Never use a product containing ammonia or bleach (or any type of acid-based cleanser); these can alter the tile color and/or stain the grout. 2  Never use oil-based detergents or wax cleaners.
If not repeat using the pumice stick, then clean again with a liquid cleaner and a soft scrub brush. Do not use on soft, highly polished metals, unbaked enamel finishes, glass, fiberglass and other plastics. Some decorator tile and colored porcelain is fragile and may be damaged by abrasive cleaning materials.UMIE Pumice Scouring Stick. Versatile 100% natural pumice hard surface cleaning aid for ceramic tile, porcelain, concrete, brick, stone work, hard metals, and hard plastics. Removes stubborn lime, rust, stains, and paint.