1998 Ford Escort Owner's Manual - Page 162

1998 Ford Escort Manual

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Maintenance and care Please consult your "Warranty Guide" for complete emission warranty information. Readiness for inspection/maintenance (I/M) testing In some localities, it may be a legal requirement to pass an I/M test of the on-board diagnostic (OBD-II) system. If your "check engine/service engine soon" light is on, reference the applicable light description in the Warning Lights and Chimes section of your owners guide. Your vehicle may not pass the I/M test with the "check engine/service engine soon" light on. If the vehicle's powertrain system or its battery has just been serviced, the OBD-II system is reset to a "not ready for I/M test" condition. To ready the OBD-II system for I/M testing, a minimum of 30 minutes of city and highway driving is necessary as described below: • First, at least 10 minutes of driving on an expressway or highway. • Next, at least 20 minutes driving in stop and go, city type traffic with at least four idle periods. Allow the vehicle to sit for at least eight hours without starting the engine. Then, start the engine and complete the above driving cycle. The engine must warm up to its normal operating temperature. 162

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Please consult your “Warranty
Guide” for complete emission
warranty information.
Readiness for
inspection/maintenance (I/M)
testing
In some localities, it may be a legal
requirement to pass an I/M test of
the on-board diagnostic (OBD-II)
system. If your “check
engine/service engine soon” light is
on, reference the applicable light
description in the
Warning Lights
and Chimes
section of your
owners guide. Your vehicle may
not pass the I/M test with the
“check engine/service engine soon”
light on.
If the vehicle’s powertrain system
or its battery has just been
serviced, the OBD-II system is
reset to a “not ready for I/M test”
condition. To ready the OBD-II
system for I/M testing, a minimum
of 30 minutes of city and highway
driving is necessary as described
below:
•
First, at least 10 minutes of
driving on an expressway or
highway.
•
Next, at least 20 minutes driving
in stop and go, city type traffic
with at least four idle periods.
Allow the vehicle to sit for at least
eight hours without starting the
engine. Then, start the engine and
complete the above driving cycle.
The engine must warm up to its
normal operating temperature.
Maintenance and care
162