Operation CHARM
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Dodge and Ram
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2012
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RAM 2500 Truck 4WD V8-5.7L
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Repair and Diagnosis
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Powertrain Management
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Emission Control Systems
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Evaporative Emissions System
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Refueling Vapor Recovery System
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Description and Operation
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Description
Description
DESCRIPTION
The ORVR (On-Board Refueling Vapor Recovery) system consists of a unique
fuel tank
, flow management valve, fluid control valve, one-way check valve and vapor canister.