Jayco SENECA PRESTIGE 2023, Owner'S Manual

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Section 7: Fuel & Propane System
Diesel Fuel and Fill
It is critical to understand the danger associated with fuel. Take time to become educated
about the properties of fuel and use it safely.
Fuel Selection
Use diesel fuel only
. The diesel generator and the Aqua Hot system are fueled by the same
system used to fuel the motor home chassis engine. Consider the fuel requirements of the
generator and the Aqua Hot system when making a decision on the type of fuel to use.
DEF Fluid
Diesel engines require the use of DEF fluid (Diesel Exhaust Fluid) to aid in burning particu
-
late matter in the exhaust and reduce emissions to nitrogen and water. This DEF fluid is kept
in a separate heated tank and is required for the normal operation of the diesel engine. The
DEF tank is typically located in one of the exterior compartments and will have a blue cap
with “DEF” written on it. There will be a series of warnings at the dash before running out
of DEF fluid. If the vehicle is allowed to run out of DEF fluid, engine power is intentionally
reduced and speed will be limited to 5 MPH until the tank is re-filled.
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NOTE: Check the diesel generator and chassis manufacturer’s information
to help you determine the type of diesel fuel best suited for this dual applica-
tion.
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NOTE: Your motor home is equipped with an Aqua Hot Heating system, it
is fueled by the chassis diesel tank. Fuel consumption of this system should
be considered when planning your fuel supply. The fuel feed for the Aqua
Hot system is positioned in the fuel tank so that when the fuel supply for the
system is exhausted, you will still have fuel remaining to operate your motor
home. For additional information refer to the Aqua Hot owner’s manual.
If you spill fuel on the motor home, clean it up immediately. Fuel can dull or
soften paint and damage other surfaces.
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