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Buick
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1984
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Century Estate Wagon V6-260 4.3L DSL
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Repair and Diagnosis
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Powertrain Management
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Emission Control Systems
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Exhaust Gas Recirculation
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Exhaust Pressure Regulator Vacuum Valve
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Testing and Inspection
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EPR Solenoid Diagnosis.
EPR Solenoid Diagnosis.
Fig. 8 DEC System EPR Solenoid Diagnosis:
