1998 Mercury Tracer Owner Guide 1st Printing - Page 7

1998 Mercury Tracer Manual

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Instrumentation (OBD II). This OBD II system protects the environment by ensuring that your vehicle continues to meet government emission standards. The OBD II system also assists the service technician in properly servicing your vehicle. The Service Engine Soon indicator light illuminates when the ignition is first turned to the ON position to check the bulb. If it comes on after the engine is started, one of the engine's emission control systems may be malfunctioning. The light may illuminate without a driveability concern being noted. The vehicle will usually be drivable and will not require towing. What you should do if the Service Engine Soon light illuminates Light turns on solid: This means that the OBD II system has detected a malfunction. Temporary malfunctions may cause your Service Engine Soon light 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. 3. The fuel cap may not have been properly installed and securely tightened. 7

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(OBD II). This OBD II system
protects the environment by
ensuring that your vehicle
continues to meet government
emission standards. The OBD II
system also assists the service
technician in properly servicing
your vehicle.
The
Service Engine Soon
indicator light illuminates when the
ignition is first turned to the ON
position to check the bulb. If it
comes on after the engine is
started, one of the engine’s
emission control systems may be
malfunctioning. The light may
illuminate without a driveability
concern being noted. The vehicle
will usually be drivable and will not
require towing.
What you should do if the
Service Engine Soon light
illuminates
Light turns on solid:
This means that the OBD II system
has detected a malfunction.
Temporary malfunctions may cause
your
Service Engine Soon
light 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.
3. The fuel cap may not have been
properly installed and securely
tightened.
Instrumentation
7