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General Testing Info | Test Procedures

 

Test Procedures

Tests For All-Wheel-Drive and Vehicles Specially Equipped For the Handicapped

Some 1996 and newer all-wheel-drive and some vehicles specially equipped for the handicapped cannot be tested using a dynamometer test. These vehicles are tested for emissions through the Two-Speed Idle tailpipe test, using a sensor-probe inserted into the tailpipe to measure emissions while the vehicle's transmission is in neutral.

  


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