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.
READ NEXT:
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
SEE MORE:
Anti-Lock Brake System (ABS)
The ABS aids the driver in maintaining vehicle control
under adverse braking conditions. The system controls
hydraulic brake pressure to prevent wheel lockup and
help avoid skidding on slippery surfaces during braking.
NOTE: ABS improves steering control of the vehicle
during hard braking maneuvers.
Engine Oil Filter
The engine oil filter should be replaced with a new filter
at every engine oil change.
Engine Oil Filter Selection
This manufacturer's engines have a full-flow type oil
filter. Use a filter of this type for replacement. The quality
of replacement filters varies considerably. Only high quality filter
