Jeep Wrangler: TECHNICAL SPECIFICATIONS / FUEL REQUIREMENTS — GASOLINE ENGINE
While operating on gasoline with the required
octane number, hearing a light knocking sound
from the engine is not a cause for concern.
However, if the engine is heard making a heavy
knocking sound, see a dealer immediately. Use
of gasoline with an octane number lower than
recommended octane can cause engine failure
and may void 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 considering service for the
vehicle.
Proper lug nut/bolt torque is very important to
ensure that the wheel is properly mounted to
the vehicle. Any time a wheel has been removed
and reinstalled on the vehicle, the lug nuts/
bolts should be torqued using a properly
calibrated torque wrench using a six sided (hex)
deep wall socket...
2.0L Engine
This engine is designed to meet
all emission requirements, and provide satisfactory fuel economy and
performance, when using high-quality
unleaded “regular” gasoline having an octane
rating of 87, as specified by the (R+M)/
2 method...
Other information:
Wash your vehicle regularly. Always wash
your vehicle in the shade using Mopar® Car
Wash, or a mild car wash soap, and rinse the
panels completely with water.
If insects, tar, or other similar deposits have
accumulated on your vehicle, use Mopar®
Super Kleen Bug and Tar Remover to remove...
Fluid Level Check
Check the fluid level by removing the fill plug.
The fluid level should be between the bottom of
the fill hole and a point not more than 3/16 of
an inch (4.76 mm) below the bottom of the
hole.
Add fluid, if necessary, to maintain the proper
level...