Emission-control system maintenance 9-26 Vehicle care and maintenance
9
and Environment Canada. The emission-con- trol system is made of: a positive crankcase ventilation system an evaporative emission-control system an exhaust emission-control system
The maintenance services listed in the “WARRANTY AND MAINTENANCE MANUAL” must be performed at the times or mileages listed to keep the emission-con-trol system working properly. These, and allthe other “general” maintenance services listed in this manual, need to be performed to keep your vehicle running properly and reli-ably. You may need more frequent maintenance if you drive your vehicle in harsh conditions such as dusty areas or do a lot of start-and-stop driving. To be sure the emission-control system works properly, have your vehicle inspected and maintained by an authorized MitsubishiMotors dealer or a repair facility of your choice following the schedule in the “WAR- RANTY AND MAINTENANCE MAN-UAL”. You should also have an inspection and ser- vice any time you suspect a malfunction.
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Spark plugs must fire properly for goodengine performance and emission-control.Do not reuse them by cleaning or regapping. Change them at the mileage listed in the “WARRANTY AND MAINTENANCEMANUAL”.
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Check the hose surfaces for any heat andmechanical damage, hard and brittle rubber,cracking, tears, cuts and abrasions. Pay spe- cial attention to the hoses closest to high heat sources such as the exhaust manifold. Checkall the hose connections, such as clamps and couplings, to make sure they are secure and that there are no leaks. If you see any wear ordamage, replace the hoses immediately.
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Have the valve clearance checked at anauthorized Mitsubishi Motors dealer at themileage specified in the “WARRANTY AND MAINTENANCE MANUAL”. If the engine sounds abnormally loud, haveadjustments made by an authorized Mitsubishi Motors dealer.
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Check these regularly for damage or leaks in the fuel lines and connections. Check the fuel tank filler cap for damage or looseness. Pay special attention to the fuel lines closest to
NOTE
To meet government regulations and pro- mote cleaner air, your vehicle is equipped with an onboard diagnostic system (OBD). The engine electronic control module that controls OBD functions stores various data(especially about the exhaust emissions). This data will be erased if the battery cable is disconnected, which could make a rapiddiagnosis difficult. Do not disconnect the battery cable when the engine malfunction indicator (“SERVICE ENGINE SOON” or“Check engine light”) is on.
Spark plugs
NOTE
Use the spark plugs listed under “Engine specifications” on page 11-5 or plugs that are exactly the same. Other plugs could causeengine damage, performance problems or radio noise.
Fuel hoses Intake valve clearance Fuel system (tank, pipe line and connection, and fuel tank filler cap)
BK0210300US.bo
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