Identify emission control system components and configurations.

EVAP System Component Inspection

Microsoft Word version

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PCV System Inspection

Microsoft Word version

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Inspect, test, service and /or replace positive crankcase ventilation (PCV) filter/breather, valve, tubes, orifices, and hoses; perform needed action.

Diagnose oil leaks, emissions, and drivability concerns caused by the positive crankcase ventilation (PCV) system; determine needed action.

PCV System Inspection

Microsoft Word version

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Diagnose emissions and drivability concerns caused by the exhaust gas recirculation (EGR) system; inspect, and test, service and/or replace electrical/electronic sensors, controls, and wiring of exhaust gas recirculation (EGR) systems tubing, exhaust passages, vacuum/pressure controls, filters and hoses of exhaust gas recirculation (EGR) systems; determine needed action.

Service EGR System

Microsoft Word version

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Inspect and test electrical/electronically operated components and circuits of secondary air injection systems; determine needed action.

Secondary Air Injection Diagnosis

Microsoft Word version

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Diagnose emission and drivability concerns caused by catalytic converter system; determine needed action.

Diagnose emissions and drivability concerns caused by the evaporative emissions control (EVAP) system; determine needed action.

Evaporative Emission Controls Diagnosis

Microsoft Word version

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Interpret diagnostic trouble codes (DTCs) and scan tool data related to the emissions control systems; determine needed action

Testing Using a Scan Tool

Microsoft Word version

Fillable PDF version