05/30/2026
It's no secret that a good number of failed emissions are the result of some defective equipment on the vehicle in question. Some of these defects may be minor and more extensive repairs. Featured here are some of the most common trouble areas of Emission Testing Failures:
-A defect in the Evaporative Emission System
-A defective “Air/Fuel, or Oxygen Sensor
-A defect in the vehicle Exhaust System
-A defect in the Catalytic Converter
-The EGR (Exhaust Gas Recirculation System)
-The vehicle’s ignition components
-Low Compression in the Cylinder or Carbon Buildup in the Engine