Ram 1500/2500/3500 Owners & Service Manuals

Ram 1500/2500/3500: 3.6L/6.4L Engine / 5.7L Engines

3.6L/6.4L Engine

These engines are designed to meet all emissions regulations and provide excellent fuel economy and performance when using high quality unleaded "regular" gasoline having an octane rating of 87. The use of premium gasoline is not recommended, as it will not provide any benefit over regular gasoline in these engines.

5.7L Engines

This engine is designed to meet all emissions regulations and provide satisfactory fuel economy and performance when using high quality unleaded gasoline having an octane range of 87 to 89. The manufacturer recommends the use of 89 octane for optimum performance.

The use of premium gasoline is not recommended, as it will not provide any benefit over regular gasoline in these engines.

Light spark knock at low engine speeds is not harmful to your engine. However, continued heavy spark knock at high speeds can cause damage and immediate service is required. Poor quality gasoline can cause problems such as hard starting, stalling, and hesitations. If you experience these symptoms, try another brand of gasoline before considering service for the vehicle.

Over 40 auto manufacturer's world wide have issued and endorsed consistent gasoline specifications (the Worldwide Fuel Charter, WWFC) which define fuel properties necessary to deliver enhanced emissions, performance, and durability for your vehicle. The manufacturer recommends the use of gasolines that meet the WWFC specifications, if they are available.

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     Reformulated Gasoline

    Many areas of the country require the use of cleaner burning gasoline referred to as "Reformulated Gasoline." Reformulated gasoline contain oxygenates and are specifically blended to reduce vehicle em

     E-85 Usage In Non-Flex Fuel Vehicles

    Non-Flex Fuel Vehicles (FFV) are compatible with gasoline containing 10% ethanol (E10). Gasoline with higher ethanol content may void the New Vehicle Limited Warranty. If a Non-FFV vehicle is inadver

     Fuel System Cautions

    CAUTION! Follow these guidelines to maintain your vehicle's performance: The use of leaded gas is prohibited by Federal law. Using leaded gasoline can impair engine performance and damage the emis

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     Description

    The air suspension system provides full time load leveling capability along with the benefit of being able to adjust vehicle height by the push of a button. Air Suspension Switch Up Button Down Button Entry/Exit Mode Indicator Lamp (Customer selectable) Normal Ride Height Indicator Lamp (Custo

     Freeing A Stuck Vehicle

    If your vehicle becomes stuck in mud, sand, or snow, it can often be moved using a rocking motion. Turn the steering wheel right and left to clear the area around the front wheels. Then shift back and forth between DRIVE and REVERSE (with automatic transmission) or 2nd gear and REVERSE (with manual

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