2-106Emissions Inspection and Maintenance ProgramsSome state/provincial and local governments have ormay begin programs to inspect the emission controlequipment on your vehicle. Failure to pass thisinspection could prevent you from getting a vehicleregistration.Here are some things you need to know in order to helpyour vehicle pass an inspection:Your vehicle will not pass this inspection if theSERVICE ENGINE SOON or CHECK ENGINE lightis on or not working properly.Your vehicle will not pass this inspection if the OBD(on- board diagnostic) system determines that criticalemission control systems have not been completelydiagnosed by the system. The vehicle would beconsidered not ready for inspection. This can happen ifyou have recently replaced your battery or if yourbattery has run down. The diagnostic system is designedto evaluate critical emission control systems duringnormal driving. This may take several days of routinedriving. If you have done this and your vehicle stilldoes not pass the inspection for lack of OBD systemreadiness, see your dealer or qualified service center toprepare the vehicle for inspection.Oil Pressure GageUnited States CanadaThe oil pressure gage shows the engine oil pressure inpsi (pounds per square inch) when the engine is running.Canadian vehicles indicate pressure in kPa (kilopascals).Oil pressure may vary with engine speed, outsidetemperature and oil viscosity, but readings above thelow pressure zone indicate the normal operating range.