owners manual Volvo Coupe

owners manual Volvo Coupe - year of production: 1987, 1988, 1989, 1990, 1991 - Volvo Coupe owners manual EN

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text version of content this owner's manual page from owners manual to the vehicle Volvo Coupe, year of production 1987 - 1991:

1991 Volvo Coupe This is an emission control system designed to reduce emissions and improve fuel economy. The heated oxygen sensor monitors the composition of the exhaust gases leaving the engine. The exhaust gas analysis is fed into an electronic unit which continually influences the injectors. This adjusts the air-fuel ratio to provide optimum conditions for combustion and efficient reduction of the three major pollutants (hydrocarbons, carbon monoxide and nitrous gases) by a 3-way catalytic converter. CAUTION: Vehicles with a Catalytic Converter must use unleaded fuel only. Otherwise the Catalytic Converter will become ineffective. See "Fuel requirements". pg. 100 Servicing (cont.) Evaporative control system The engine is equipped with a gas evaporative control system, which prevents gasoline fumes from being released into the atmosphere. The system is comprised of an expansion chamber in the fuel tank, and a charcoal canister with built-in vacuum valve under the left-front wheel housing. The components are interconnected by hoses which channel fuel vapor from the gas tank to the charcoal filter, where it is stored until the engine is started and then drawn into the engine's fuel-induction system. file:///K|/ownersdocs/1991/1991_COUPE/91coupe_93.html (9 of 11)12/30/2006 9:00:52 AM

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year of production from: 1987

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