Abstract:
A MOTOR FUEL COMPOSITION WHICH PROMOTES REDUCED INTAKE VALVE AND PORT DEPOSITS CONTAINING FROM 0.005 TO 0.1 VOLUME PERCENT OF A POLYESTER OF A POLYMERIZED CARBOXYLIC ACID.
Abstract:
Motor fuel composition comprising a mixture of hydrocarbons in the gasoline boiling range containing 0.03 to 1.0 volume percent of a paraffinic oil fraction consisting of at least 55 percent of paraffinic hydrocarbons and less than 16 percent of aromatic hydrocarbons and having an average molecular weight in the range from 540 to 850, and method of preventing a deposits build-up in a gasoline engine.