Fails Emission Test

CHECK:

1. Three Way Catalytic (TWC) Converter
2. Evaporative Emission Controls (EVAP)
3. Fuel Supply System
a. Fuel Pressure Regulator
b. Fuel Injector
c. Injector Resistor
4. Manifold Absolute Pressure (MAP) Sensor
5. Heated Oxygen Sensor (HO2S)
6. Engine Control (ECM) Module

NOTE: The system that could be the source of the symptom are listed and should be checked in order, starting with #1.