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.
What are my options? I planned to treat the floor with RedGard (moisture/crack membrane)-- would that stick to the paint and provide a tacky enough layer for the porcelain tile? Is there a chemical stripper I can use instead of roughing with a sander, should I screw some sort of backerboard into the concrete, etc.