Diesel Data
: Automotive Repair
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Chevy Truck
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1988
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K 1500 Truck 4WD V8-379 6.2L 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 Vacuum Circuit Check
EPR Vacuum Circuit Check
Fig. 44 EPR vacuum circuit check. 1988: