Operation CHARM
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Chevy Truck
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1983
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G 20 3/4 Ton Van V8-379 6.2L DSL VIN C FI
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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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Thermal Vacuum Valve
Thermal Vacuum Valve
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Testing and Inspection
EGR-TVS/TVV Test
EGR-TVS
