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2000 Volvo S & V70
Although some oil consumption occurs during normal engine operation, more oil is consumed when the
engine is new as the internal parts generate higher friction while wearingin to each other. From the time
the engine is new until the first service is performed, the oil consumption could be higher than
normal. For this reason, it is especially important to check the oil every time you refuel your car
during this period. See page 126.
In general, the rate of oil consumption depends on such factors as: engine temperature, length of trip,
driving conditions, oil viscosity and quality, engine speed and acceleration/deceleration.
Checking your engine oil level each time the car is refueled is one of the most important items you can
perform to help keep your car in good running order.
Deposit control gasoline (detergent additives)
Volvo recommends the use of gasoline containing deposit control additives. These additives have shown
to be efficient in keeping injectors and intake valves clean. Consistent use of deposit control gasolines
will help ensure good driveability and fuel economy. If you are not sure whether the gasoline contains
deposit control additives, check with the service station operator.
Unleaded fuel
Each Volvo has a three-way catalytic converter and must use only unleaded gasoline. U.S. and Canadian
regulations require that pumps delivering unleaded gasoline be labelled "UNLEADED". Only these
pumps have nozzles which fit your car's filler inlet. It is unlawful to dispense leaded fuel into a vehicle
labelled "unleaded gasoline only". Leaded gasoline damages the three-way catalytic converter and the
heated oxygen sensor system. Repeated use of leaded gasoline will lessen the effectiveness of the
emission control system and could result in loss of emission warranty coverage. State and local vehicle
inspection programs will make detection of misfueling easier, possibly resulting in emission test failure
for misfueled vehicles.
NOTE: Some U.S. and Canadian gasolines contain an octane enhancing additive called methly-
cyclopentadienyl manganese tricarbonyl (MMT). If such fuels are used, your Emission Control System
performance may be affected, and the Malfunction Indicator Lamp located on your instrument panel
may light. If this occurs, please return your vehicle to an authorized Volvo retailer for service.
pg. 69 Fuel requirements, Refueling
Octane rating
Volvo engines are designed for optimum performance on unleaded premium gasoline with an octane
rating. AKI of 91, or above. AKI (ANTI KNOCK INDEX) is an average of the Research Octane
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