Jeep 2006 Grand Cherokee SRT User Manual download pdf (Page 269)

Over 40 automobile manufacturers around the world

have issued and endorsed consistent gasoline specifica-

tions (the World Wide Fuel Charter, WWFC) to define

fuel properties necessary to deliver enhanced emissions,

engine performance, and durability for your vehicle. The

manufacturer recommends the use of gasolines that meet

the WWFC specifications if they are available.

Reformulated Gasoline

Many areas of the country require the use of cleaner

burning gasoline referred to as “Reformulated Gasoline.”

Reformulated gasolines contain oxygenates, and are spe-

cifically blended to reduce vehicle emissions and im-

prove air quality.

The manufacturer supports the use of reformulated gaso-

lines. Properly blended reformulated gasolines will pro-

vide excellent performance and durability of engine and

fuel system components.

Gasoline/Oxygenate Blends

Some fuel suppliers blend unleaded gasoline with oxy-

genates such as 10% ethanol, MTBE, and ETBE. Oxygen-

ates are required in some areas of the country during the

winter months to reduce carbon monoxide emissions.

Fuels blended with these oxygenates may be used in

your vehicle.

CAUTION!

DO NOT use gasolines containing Methanol. Use of

these blends may result in starting and driveability

problems and may damage critical fuel system com-

ponents.

Problems that result from using methanol/gasoline

blends are not the responsibility of the manufacturer.

While MTBE is an oxygenate made from Methanol, it

does not have the negative effects of Methanol.

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Jeep 2006 Grand Cherokee SRT User Manual Page 269