Operation CHARM
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Isuzu
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2012
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NPR-HD L4-5.2L DSL Turbo (4HK1)
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Repair and Diagnosis
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Powertrain Management
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Emission Control Systems
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Diesel Emissions Fluid (DEF) System
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Diesel Emissions Fluid Control Module
Diesel Emissions Fluid Control Module
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Description and Operation
Locations
Service and Repair
DEF Backflow Valve Replacement
DEF Control Module Replacement
Diagrams
