Volvo XC40 2019 Owner's Manual page 398

STARTING AND DRIVING
Fuel
Volvo recommends the use of detergent gas-
oline to control engine deposits.
Deposit control gasoline (gasoline
with detergent additives)
Detergent gasoline is effective 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 serv-
ice station operator.
NOTE
Volvo recommends not using external fuel
injector cleaning systems, e.g. do not add
detergent additives to gasoline before or
after refueling.
Unleaded fuel
All Volvo vehicles have a three-way catalytic
converter and must only use unleaded gaso-
line. US and Canadian regulations require that
pumps delivering unleaded gasoline are
labeled "UNLEADED". Only the nozzles of
these pumps will fit in your vehicle's fuel filler
inlet. It is unlawful to dispense leaded fuel into
a vehicle labeled "unleaded gasoline only".
Leaded gasoline damages the three-way cata-
lytic converter and the heated oxygen sensor
396
system. Repeated use of leaded gasoline will
lessen the effectiveness of the emission con-
trol 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 emis-
sion test failure for misfueled vehicles.
NOTE
Some U.S. and Canadian gasolines contain
an octane enhancing additive called
methyl-cyclopentadienyl manganese tricar-
bonyl (MMT). If such fuels are used, your
Emission Control System performance
may be affected, and the Check Engine
Light (malfunction indicator light) located
on your instrument panel may light. If this
occurs, please return your vehicle to a
trained and qualified Volvo service techni-
cian for service.
Gasoline containing alcohol and
ethers, "Oxygenated fuels"
Some fuel suppliers sell gasoline containing
"oxygenates" which are usually alcohols or
ethers. In some areas, state or local laws
require that the service pump be marked indi-
cating use of alcohols or ethers. However,
there are areas in which the pumps are
unmarked. If you are not sure whether there is
alcohol or ethers in the gasoline you buy,
check with the service station operator. To
meet seasonal air quality standards, some
areas require the use of "oxygenated" fuel.
Volvo permits the use of the following "oxy-
genated" fuels. However, the specified octane
ratings must still be met.
Alcohol - Ethanol
Fuels containing up to 10% ethanol by volume
may be used. Ethanol may also be referred to
as Ethyl alcohol, or "Gasohol".
Ethers - MTBE/ETBE: Fuels containing up to
22% MTBE/ETBE by volume may be used.
Methanol
Do not use gasolines containing methanol
(methyl alcohol, wood alcohol). This practice
can result in vehicle performance deterioration
and can damage critical parts in the fuel sys-
tem. Such damage may not be covered under
the New Vehicle Limited Warranty.
Related information
Octane rating (p. 397)
•
Opening/closing the fuel filler door
•
(p. 394)
Refueling (p. 395)
•
Emission controls (p. 398)
•