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Component Locations

WARNING: This page is about a different car, the 2003 GMC Sierra, 2003 GMC Cab & Chassis Sierra, 2003 Chevrolet Silverado, and 2003 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: For component locations refer to COMPONENT LOCATIONS  table or illustrations. See Fig 1 -Fig 10 .
COMPONENT LOCATIONS

Component Location
Accelerator Pedal Position Sensor Behind Accelerator Pedal
Barometric Pressure Sensor Left Side Of Engine
Body Control Module Left Side Of Dash
Boost Pressure Sensor On Intake Manifold
Camshaft Position Sensor Front Of Engine
Crankshaft Position Sensor Right Side Of Harmonic Balancer
Data Link Connector Under Left Side Of Dash
Engine Control Module Left Front Of Engine Compartment
Engine Coolant Temperature Sensor Next To Oil Filler Tube
Engine Oil Level Switch Left Rear Of Oil Pan
Fuel Filter On Bracket, Mounted on Valve Cover
Fuel Heater Top Of Fuel Filter Element
Fuel Injector Control Module Under Air Intake Duct Assembly
Fuel Temperature Sensor Under Upper Intake Shield
Intake Air Heater Rear Of Engine
Intake Air Temperature Sensor/Mass Airflow Sensor In Air Induction Tube
Power Take-Off Relay Attached To Underhood Fuse Block Bracket
Transmission Control Module Left Front Of Engine Compartment
Water-In-Fuel Sensor Attached To Fuel Filter
Fig 1: Locating Accelerator Pedal Position Sensor
G00148208Courtesy of GENERAL MOTORS CORP.
Fig 2: Locating Barometric Pressure Sensor
G00148209Courtesy of GENERAL MOTORS CORP.
Fig 3: Locating Boost Sensor
G00148210Courtesy of GENERAL MOTORS CORP.
Fig 4: Locating Camshaft Position Sensor
G00148211Courtesy of GENERAL MOTORS CORP.
Fig 5: Locating Crankshaft Position Sensor
G00148212Courtesy of GENERAL MOTORS CORP.
Fig 6: Locating Engine Coolant Temperature Sensor
G00148213Courtesy of GENERAL MOTORS CORP.
Fig 7: Locating Fuel Injection Control Module
G00148214Courtesy of GENERAL MOTORS CORP.
Fig 8: Locating Fuel Injection System Components
G00148215Courtesy of GENERAL MOTORS CORP.
Fig 9: Locating Glow Plug Relay
G00148216Courtesy of GENERAL MOTORS CORP.
Fig 10: Locating Mass Airflow/Intake Air Temperature Sensor
G00148217Courtesy of GENERAL MOTORS CORP.
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