Emission Control System Diagram - Winnebago 1987-1989 LeSharo Service Manual

EMISSION CONTROL SYSTEMS
EMISSION CONTROL SYSTEM DIAGRAM
13 12
,.
11
20
21
22~
26
14
.~
23
1. 4 mm (0.57 inch) orifice
2. Positive crankcase ventilation (PCV) valve
3. 1.8 mm (0.070 inch) orifice
4. 5.5 mm (0.216 inch) orifice
5. Fast idle solenoid
6. Idle speed adjustment screw
7. Throttle body
8. Airflow meter
9. Air filter
10. Timer relay
11. Start ignition switch
12. Air conditioner switch
13. Fast idle relay (AlC)
14. Supplementary air regulator
15. Integral electronic ignition module
16. Thermo valve (open TOabove 59°F)
17. Thermo valve (open TObelow 59°F)
18. Thermo valve (open TOabove 113°F)
19. Vacuum reservoir
20. Differential pressure switch
21. EGR valve solenoid
22. EGR valve
23. Fuel tank
24. Roll-over valve
25. Vapor canister (charcoal)
26. Vacuum filler cap
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GENERAL INFORMATION
The emission control systems are:
• the fuel vapor recovery system
• the positive crankcase ventilation (PVC) system
• the exhaust gas recirculation (EGR) system
• the catalytic converter system
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