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1989
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Cherokee Laredo, 2D Utility, 4.0 L, Standard, BA10/5
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Repair and Diagnosis
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Engine Performance
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System
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Spark Control System
Spark Control System
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Description
Operation
Standard Cooling System (CTO) Valve
Heavy Duty Cooling System (CTO) Valve
Non-Linear Vacuum Regulator (NLVR) Valve (5.9L)
Forward Delay Valve (5.9L)
Reverse Delay Valve (5.9L)
Testing
Non-Linear Vacuum Regulator Valve (NLVR)
Forward Delay Valve
Reverse Delay Valve