GMC Workshop Service and Repair Manuals > Sierra 2500 4WD V8-6.6L DSL Turbo (2007) > Powertrain Management | Sensors and Switches - Powertrain Management | Sensors and Switches - Fuel Delivery and Air Induction | Fuel Temperature Sensor | Component Information | Locations

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15 - Intake Air Heater (IAH) Module
16 - Intake Air Temperature (IAT) Sensor 2
17 - Fuel Heater
18 - A/C Low Pressure Switch (C67/CJ2)

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