Operation CHARM
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Chevy Truck
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1988
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G 30 Van V8-350 5.7L
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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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EGR Valve
EGR Valve
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Description and Operation
Negative Backpressure EGR Valve (Under 8500 GVW)
Port EGR Valve (Over 8500 GVW)
Testing and Inspection
Locations
Specifications
