Emission Control System

System Description

The emission control system includes a three-way catalytic converter, exhaust gas recirculation (EGR) system, crankcase ventilation system and evaporative control system. The emission control system is designed to meet federal and state emission standards.

Tailpipe Emission

Inspection
ANARNING Do not smoke during this procedure. Keep any open flame away from your work area.

1. Start the engine and warm up to normal operating temperature (cooling fan comes on).

2. Connect a tachometer.
3. Check and adjust the idle speed, if necessary (page 11-102).
4. Warm up and calibrate the CO meter according to the meter manufacturer's instructions.

5. Check idle CO with the headlights, heater blower, rear window defogger, cooling fan, and air conditioner off.

CO meter should indicate 0.1 % maximum.