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.
1 Colored porcelain sinks can scratch easy. 2  Before using the pumice scouring stick to remove rust stains, test the pumice scouring stick on a small spot on the sink that is not easily noticeable to ensure that you will not damage the colored coating on your porcelain sink.ust stains on porcelain sinks are caused by direct contact with rusted metal, such as the metal bottom of shaving cream can, dripping faucets, standing water or water that contains a high concentration of dissolved iron.