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2007
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RAM 3500 HD Truck 4WD V8-5.7L VIN D
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Repair and Diagnosis
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Powertrain Management
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Computers and Control Systems
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Relays and Modules - Computers and Control Systems
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Oxygen Sensor Relay
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Diagrams
Oxygen Sensor Relay: Diagrams
2007-2009 Dodge Ram 3.7/4.7/5.7L engine O2 sensor heater, is controled by the powertrain control module.