Fuel Selection; Octane Requirement - Mitsubishi ECLIPSE Owner's Manual

General information

Fuel selection

Your vehicle is designed to use unleaded gasoline only. It is
equipped with a fuel filler tube especially designed to accept
only a small diameter unleaded gasoline dispensing nozzle.
WARNING
!
1
Gasoline is highly flammable and explosive. You
could be burned, seriously injured or killed when
handling it. Whenever you refuel your vehicle, stop
the engine and keep flames, sparks, and smoking
materials away from the vehicle. Always handle fuel
in well-ventilated outdoor areas.
CAUTION
!
Using leaded gasoline in your vehicle will damage
the engine, catalytic converter, and the oxygen sen-
sors. Also, using leaded gasoline is illegal, and will
void your warranty coverage of the engine, catalytic
converter, and oxygen sensors.
Gasoline detergent additives
In the United States, fuel suppliers are required by law to add
detergents to their gasoline to minimize fuel-injector fouling
and minimize intake-valve deposits. Detergent gasoline helps
keep your engine in tune and your emission-control system
working properly.
1-2

Octane requirement

N00301000648
2.4 liter engine model
Your vehicle is designed to operate on unleaded gasoline hav-
ing a minimum octane number of 87 [(MON+RON)/2], or 91
RON.
3.8 liter engine model
Your vehicle is designed to operate on premium grade
unleaded gasoline having a minimum octane number of 91
[(MON+RON)/2], or 95 RON. If premium grade unleaded gas-
oline is not available, unleaded gasoline having an octane num-
ber of 87 [(MON+RON)/2], or 91 RON may be temporarily
use as an emergency measure, but only under the following
precautions.
Have the fuel tank filled only partially with unleaded reg-
ular gasoline, and fill up with unleaded premium gasoline
as soon as possible.
Avoid full throttle driving and abrupt acceleration.
MON: Motor Octane Number
RON: Research Octane Number
Oxygenated gasoline
Gasoline sold at some service stations contains oxygenates
such as ethanol and MTBE, although the oxygenates may not
be identified by those names. Oxygenates are required in some
areas of the country. Such fuel can be used in your vehicle.