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Jeep
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1981
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Pickup J20, AWD
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Repair and Diagnosis
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Engine Performance
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Engine Control Systems
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Exhaust Emission Systems
Exhaust Emission Systems
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Description
Notes
Thermostatic Air Cleaner
Air Injection
EGR
C-4 Computer Emission System
Computerized Emission Control (CEC) System
Spark Control Systems
Catalytic Converter
Positive Crankcase Ventilation
Evaporative Emission Control
Service Procedures
Ignition Timing
Carburetion
Idle Speed & Mixture