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Your vehicle may not pass the I/M test if the
service engine soon indicator is on or not
working properly (bulb is burned out), or if
the OBD-II system has determined that some
of the emission control systems have not
been properly checked. In this case, the
vehicle is not ready for I/M testing.
If the vehicle’ s engine or transmission has just
been serviced, or the battery has recently run
down or been replaced, the OBD-II system
may indicate that the vehicle is not ready for
I/M testing. To determine if the vehicle is
ready for I/M testing, turn the ignition key to
the on position for 15 seconds without
cranking the engine. If the service engine soon
indicator blinks eight times, it means that the
vehicle is not ready for I/M testing; if the
service engine soon indicator stays on solid,
it means that your vehicle is ready for I/M
testing.
The OBD-II system checks the emission
control system during normal driving. A
complete check may take several days.
If the vehicle is not ready for I/M testing, you
can perform the following driving cycle
consisting of mixed city and highway driving:
1. 15 minutes of steady driving on an
expressway or highway followed by 20
minutes of stop-and-go driving with at
least four 30-second idle periods.
2. Allow your vehicle to sit for at least eight
hours with the ignition off. Then, start the
vehicle and complete the above driving
cycle. The vehicle must warm up to its
normal operating temperature. Once
started, do not turn off the vehicle until
the above driving cycle is complete.
If the vehicle is still not ready for I/M testing,
you need to repeat the above driving cycle.
139
MKS (CLE) Canada/United States of America, enUSA, First Printing
Fuel and Refueling
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