Elements of emission control and engine management systems (model with a 4-cylinder engine built in 1998)
1. Throttle position sensor; 2. Idle air control valve; 3. Air flow sensor; 4. Air temperature sensor; 5. Coolant temperature sensor; 6. Downstream oxygen sensor 7. Upstream oxygen sensor; 8. Power steering switch; 9. Crankshaft position sensor connection connector; 10. Camshaft position sensor; 11. Exhaust gas recirculation sensor
Elements of emission control and engine management systems (1993 model with a 6-cylinder engine)
1. Vacuum diaphragm No. 1 of the low-speed additional air supply system; 2. Low-speed auxiliary air supply system solenoids; 3. Vacuum diaphragm No. 2; 4. Throttle position sensor; 5. Idle air control valve 6. Air flow sensor; 7. Crankshaft position sensor No. 1; 8. Crankshaft position sensor No. 2 (near the crankshaft pulley); 9. Coolant temperature sensor
Content based on information from [MazBook.ru]
Emission Control System Information Plate
The information plate is located in the engine compartment, on the underside of the hood.
Emission control and engine management systems include the following systems:
- built-in diagnostic system;
- engine management system;
- exhaust gas recirculation system;
- fuel vapor collection system;
- crankcase ventilation system;
- catalytic converter.