Jeep Wrangler 2018-2026 Owners Manual / TECHNICAL SPECIFICATIONS / FUEL REQUIREMENTS — GASOLINE ENGINE / Do Not Use E-85 In Non-Flex Fuel Vehicles

Jeep Wrangler: FUEL REQUIREMENTS — GASOLINE ENGINE / Do Not Use E-85 In Non-Flex Fuel Vehicles

Non-Flex Fuel Vehicles (FFV) are compatible with gasoline containing up to 15% ethanol (E-15). Use of gasoline with higher ethanol content may void the New Vehicle Limited Warranty.

If a Non-FFV vehicle is inadvertently fueled with E-85 fuel, the engine will have some or all of these symptoms:

Operate in a lean mode
OBD II Malfunction Indicator Light on
Poor engine performance
Poor cold start and cold drivability
Increased risk for fuel system component corrosion

Reformulated Gasoline. Materials Added To Fuel. Gasoline/Oxygenate Blends

Reformulated Gasoline Many areas of the country require the use of cleaner burning gasoline referred to as “reformulated gasoline”. Reformulated gasoline contains oxygenates and are specifically blended to reduce vehicle emissions and improve air quality...

CNG And LP Fuel System Modifications. MMT In Gasoline

CNG And LP Fuel System Modifications Modifications that allow the engine to run on Compressed Natural Gas (CNG) or Liquid Propane (LP) may result in damage to the engine, emissions, and fuel system components...

Other information:

Jeep Wrangler 2018-2026 Owners Manual: Quarter Window Storage Bag

To use the storage bags for the rear quarter windows, proceed as follows: With the bag completely open and the fabric divider raised, place the first quarter window with the latches facing outward into the foam insert. Fold divider over the window once placed inside...

Jeep Wrangler 2018-2026 Owners Manual: Tire Pressure

Proper tire inflation pressure is essential to the safe and satisfactory operation of your vehicle. Four primary areas are affected by improper tire pressure: Safety Fuel Economy Tread Wear Ride Comfort and Vehicle Stability Safety WARNING! Improperly inflated tires are dangerous and can cause collisions...

Manual Seat Height Adjustment

The driver's seat height can be raised or lowered by using the ratcheting handle, located on the outboard side of the seat. Pull upward on the handle to raise the seat, push downward on the handle to lower the seat. Several strokes may be necessary to achieve the desired position.

Jeep Wrangler. Manual Seat Height Adjustment

Seat Height Adjustment