See also:

3.7L V6 Engine
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Octane Recommendations
“Regular” unleaded gasoline with a pump (R+M)/2 octane rating of 87 is recommended. Some stations offer fuels posted as “Regular” with an octane rating below 87, particularly in high altit ...

Easy Fuel “no cap” fuel system
Your fuel tank is equipped with an Easy Fuel “no cap” fuel filler system. This allows you to simply open the fuel filler door and insert the fuel filler nozzle into the fuel system. The Easy Fuel ...