GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Chevrolet
🢒
2004
🢒
Chevy C Cab/Chassis HD (GMT 400)
🢒
Engine
🢒 Engine Controls - 8.1L
Engine
All Component Locator
Engine Controls Component Views
All Description and Operation
Air Intake System Description
Electronic Ignition (EI) System Description
Evaporative Emission Control System Description
Fuel System Description
Knock Sensor (KS) System Description
Powertrain Control Module Description
Service Programming System (SPS) Description
Throttle Actuator Control (TAC) System Description
All Special Tools and Equipment
Special Tools
All Visual Identification
Engine Controls Connector End Views
Powertrain Control Module Connector End Views
Cleaning, Inspection, and Adjustment
Evaporative Emission System Cleaning
Fuel Injector Cleaning
Fuel System Cleaning
Spark Plug Inspection
Spark Plug Wire Inspection
Throttle Body Cleaning
Diagnostic Procedures
Alcohol/Contaminants-in-Fuel Diagnosis
Backfire
Cuts Out, Misses
Detonation/Spark Knock
Diagnostic Starting Point - Engine Controls
Diagnostic System Check - Engine Controls
Dieseling, Run-On
Electronic Ignition (EI) System Diagnosis
Engine Cranks But Does Not Run
Fuel Injector Balance Test with Special Tool
Fuel Injector Balance Test with Tech 2
Fuel Injector Solenoid Coil Test
Fuel Pump Electrical Circuit Diagnosis
Fuel System Diagnosis
Fuel Tank Leak Test
Hard Start
Hesitation, Sag, Stumble
Intermittent Conditions
Lack of Power, Sluggishness, or Sponginess
Poor Fuel Economy
Poor Fuel Fill Quality
Rough, Unstable, or Incorrect Idle and Stalling
Secondary Fuel System Diagnosis
Surges/Chuggles
Symptoms - Engine Controls
Diagnostic Trouble Codes
Diagnostic Trouble Code (DTC) List
DTC P0102
DTC P0103
DTC P0107
DTC P0108
DTC P0112
DTC P0113
DTC P0117
DTC P0118
DTC P0131 or P0151
DTC P0132 or P0152
DTC P0134 or P0154
DTC P0200
DTC P0230
DTC P0325
DTC P0327 or P0332
DTC P0335
DTC P0336
DTC P0341
DTC P0342
DTC P0343
DTC P0351-P0358
DTC P0443
DTC P0506 or P0507
DTC P0601, P0602, P0603, P0604, P0605, P0606, P0607, P1600, P1621, P1627, P1680, P1681, P1683, or P2610
DTC P0650
DTC P1111
DTC P1112
DTC P1114
DTC P1115
DTC P1120
DTC P1125
DTC P1220
DTC P1221
DTC P1275
DTC P1276
DTC P1280
DTC P1281
DTC P1285
DTC P1286
DTC P1336
DTC P1514
DTC P1515
DTC P1516
DTC P1517
DTC P1518
DTC P1635
DTC P1639
Electrical/Electronic Schematic Diagrams
Engine Controls Schematic Icons
Engine Controls Schematics
Electrical/Electronic Specifications
Diagnostic Trouble Code (DTC) Type Definitions
Diagnostic Trouble Code (DTC) Types
Ignition System Specifications
Temperature Versus Resistance
Gas, Vacuum and Fluids Schematics and Diagrams
Emission Hose Routing Diagram
Evaporative Emissions Hose Routing Diagram
General Diagnostic Information
Scan Tool Data Definitions
Scan Tool Data List
Scan Tool Output Controls
Mechanical Specifications
Fastener Tightening Specifications
Other Specifications
Fuel System Specifications
Removal, Installation, and Replacement
Accelerator Pedal Position Sensor Replacement
Air Cleaner Assembly Replacement
Air Cleaner Element Replacement
Camshaft Position Sensor Replacement
Crankshaft Position Sensor Replacement
Crankshaft Position System Variation Learn
Electronic Throttle Actuator Control Module Replacement
Engine Coolant Temperature Sensor Replacement
Evaporative Emission Canister Purge Solenoid Valve Replacement
Evaporative Emission Canister Replacement
Evaporative Emission Canister Vent Solenoid Valve Replacement
Evaporative Emission Hoses/Pipes Replacement - Canister/Fuel Tank
Evaporative Emission Hoses/Pipes Replacement - Engine
Filler Tube Replacement
Fuel Filter Replacement
Fuel Hose/Pipes Replacement - Filter to Engine
Fuel Hoses/Pipes Replacement - Filter to Tank
Fuel Injection Fuel Rail Assembly Replacement
Fuel Injector Replacement
Fuel Level Sensor Replacement
Fuel Pressure Gage Installation and Removal
Fuel Pressure Regulator Replacement
Fuel Pressure Relief
Fuel Pressure Service Valve Replacement
Fuel Pump Replacement
Fuel Sender and Balance Pump Control Module Replacement
Fuel Sender Assembly Replacement
Fuel Strainer Replacement
Fuel Tank Draining
Fuel Tank Fuel Pump Module Replacement
Fuel Tank Replacement
Heated Oxygen Sensor Replacement - Bank 1 Sensor 1
Heated Oxygen Sensor Replacement - Bank 2 Sensor 1
Ignition Coil Replacement
Intake Air Resonator Replacement
Knock Sensor 1 Replacement
Knock Sensor 2 Replacement
Manifold Absolute Pressure Sensor Replacement
Mass Airflow Sensor with Intake Air Temperature Sensor Replacement
Metal Collar Quick Connect Fitting Service
Plastic Collar Quick Connect Fitting Service
Powertrain Control Module Programming
Powertrain Control Module Replacement
Spark Plug Replacement
Spark Plug Wire Replacement
Throttle Body Assembly Replacement