Ford 2014 Taurus v.2 Manuel d'utilisateur télécharger pdf (Page 183)

If the service engine soon indicator remains on, have your vehicle

serviced at the first available opportunity. Although some malfunctions

detected by the OBD-II may not have symptoms that are apparent,

continued driving with the service engine soon indicator on can result in

increased emissions, lower fuel economy, reduced engine and

transmission smoothness, and can lead to more costly repairs.

Readiness for Inspection/Maintenance (I/M) Testing

Some state, provincial and local governments may have

Inspection/Maintenance (I/M) programs to inspect the emission control

equipment on your vehicle. Failure to pass this inspection could prevent

you from getting a vehicle registration.

If the service engine soon indicator is on or the bulb does not

work, the vehicle may need to be serviced. See On-board

Diagnostics (OBD-II) in this chapter.

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 considered

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

the vehicle is ready for I/M testing.

The OBD-II system is designed to check the emission control system

during normal driving. A complete check may take several days. If the

vehicle is not ready for I/M testing, the following driving cycle consisting

of mixed city and highway driving may be performed:

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.

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. Once the engine is

started, do not turn off the engine until the above driving cycle is complete.

If the vehicle is still not ready for I/M testing, the above driving cycle will

have to be repeated.

182 Fuel and Refueling

2014 Taurus

Owners Guide gf, 2nd Printing, September 2013

USA (fus)

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Ford 2014 Taurus v.2 Manuel d'utilisateur Page 183

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