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Illumination of the service engine soon
indicator, charging system warning
light or the temperature warning light,
fluid leaks, strange odors, smoke or
loss of engine power could indicate
that the emission control system is
not working properly.
An improperly operating or damaged
exhaust system may allow exhaust to
enter the vehicle. Have a damaged or
improperly operating exhaust system
inspected and repaired immediately.
Do not make any unauthorized
changes to your vehicle or engine. By
law, vehicle owners and anyone who
manufactures, repairs, services, sells,
leases, trades vehicles, or supervises
a fleet of vehicles are not permitted
to intentionally remove an emission
control device or prevent it from
working. Information about your
vehicle’s emission system is on the
Vehicle Emission Control Information
Decal located on or near the engine.
This decal also lists engine
displacement
Please consult your warranty
information for complete details.
On-Board Diagnostics (OBD-II)
Your vehicle is equipped with a
computer that monitors the engine’s
emission control system. This system
is commonly known as the on-board
diagnostics system (OBD-II). The
OBD-II system protects the
environment by ensuring that your
vehicle continues to meet government
emission standards. The OBD-II
system also assists your authorized
dealer in properly servicing your
vehicle.
When the service engine
soon indicator illuminates,
the OBD-II system has
detected a malfunction. Temporary
malfunctions may cause the service
engine soon indicator to illuminate.
Examples are:
1. The vehicle has run out of fuel—the
engine may misfire or run poorly.
2. Poor fuel quality or water in the
fuel—the engine may misfire or run
poorly.
3. The fuel fill inlet may not have
been properly closed. See
Refueling (page 158).
4. Driving through deep water—the
electrical system may be wet.
162
Fuel and Refueling
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