Reformulated Gasoline; Gasoline/Oxygenate Blends - Jeep CHEROKEE 2016 Owner's Manual

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a cause for concern. However, if the engine is heard

making a heavy knocking sound, see your dealer imme-

diately. Use of gasoline with an octane number lower

than 87 can cause engine failure and may void or not be

covered by the New Vehicle Limited Warranty.

Poor quality gasoline can cause problems such as hard

starting, stalling, and hesitations. If you experience these

symptoms, try another brand of gasoline before consid-

ering service for the vehicle.

Reformulated Gasoline

Many areas of the country require the use of cleaner

burning gasoline referred to as "Reformulated Gasoline".

Reformulated gasoline contains oxygenates and are spe-

cifically blended to reduce vehicle emissions and im-

prove air quality.

The use of reformulated gasoline is recommended. Prop-

erly blended reformulated gasoline will provide im-

proved performance and durability of engine and fuel

system components.

Some fuel suppliers blend unleaded gasoline with oxy-

genates such as ethanol.

DO NOT use gasoline containing methanol or gasoline

containing more than 15% ethanol (E-15). Use of these

blends may result in starting and drivability problems,

damage critical fuel system components, cause emis-

sions to exceed the applicable standard, and/or cause the

"Malfunction Indicator Light" to illuminate. Please ob-

serve pump labels as they should clearly communicate

if a fuel contains greater than 15% ethanol (E-15).

STARTING AND OPERATING 587

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