operated under specific conditions before the monitor is ready.
These monitors are termed non-continuous monitors. For different
ignition type engines, the available monitors are different too.
The following monitors are to be used for spark ignition engines only
1. EGR System
2. O2 Sensors
3. Catalyst
4. Evaporative System
5. O2 Sensor Heater
6. Secondary air
7. Heated Catalyst
The following monitors are to be used for compression ignition
engines only:
1. EGR System
2. NMHC Catalyst
3. NOx aftertreatment
4. Boost pressure system
5. Exhaust gas sensor
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