GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Saturn
🢒
2003
🢒
L300/LW300
🢒
Engine
🢒 Engine Controls - 3.0L (L81)
Engine
All Component Locator
Engine Controls Component Views
All Description and Operation
Air Intake System Description
Electronic Ignition (EI) System Description
Engine Control Module Description
Evaporative Emission Control System Description
Fuel System Description
Knock Sensor (KS) System Description
Throttle Actuator Control (TAC) System Description
All Special Tools and Equipment
Special Tools
All Visual Identification
Engine Control Module Connector End Views
Engine Controls Connector End Views
Cleaning, Inspection, and Adjustment
Fuel Injector Cleaning
Fuel System Cleaning
Spark Plug Inspection
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 Solenoid Coil Test
Fuel Pump Electrical Circuit Diagnosis
Fuel System Diagnosis
Fuel Tank Leak Test
Hard Start
Hesitation, Sag, Stumble
Idle Learn
Inspection/Maintenance (I/M) Catalyst System Set Procedure
Inspection/Maintenance (I/M) Complete System Set Procedure
Inspection/Maintenance (I/M) Exhaust Gas Recirculation (EGR) System Set Procedure
Inspection/Maintenance (I/M) System Check
Inspection/Maintenance (I/M) System DTC Table
Inspection/Maintenance Evaporative Emission System Set
Inspection/Maintenance Heated Oxygen Sensor Heater System Set
Inspection/Maintenance Heated Oxygen Sensor/Oxygen Sensor System Set
Intermittent Conditions
Lack of Power, Sluggishness, or Sponginess
Main Relay Diagnosis
Malfunction Indicator Lamp (MIL) Always On
Malfunction Indicator Lamp (MIL) Inoperative
Poor Fuel Economy
Poor Fuel Fill Quality
Rough, Unstable, or Incorrect Idle and Stalling
Scan Tool Data Definitions
Service Bay Test
Surges/Chuggles
Symptoms - Engine Controls
Diagnostic Trouble Codes
Diagnostic Trouble Code (DTC) List
DTC P0030 or P0050
DTC P0031 or P0051
DTC P0032 or P0052
DTC P0036 or P0056
DTC P0037 or P0057
DTC P0038 or P0058
DTC P0101
DTC P0102
DTC P0103
DTC P0107
DTC P0108
DTC P0112
DTC P0113
DTC P0115
DTC P0116
DTC P0117
DTC P0118
DTC P0121
DTC P0122
DTC P0123
DTC P0125
DTC P0128
DTC P0130 or P0150
DTC P0131 or P0151
DTC P0132 or P0152
DTC P0133 or P0153
DTC P0134 or P0154
DTC P0135 or P0155
DTC P0136 or P0156
DTC P0137 or P0157
DTC P0138 or P0158
DTC P0139 or P0159
DTC P0140 or P0160
DTC P0141 or P0161
DTC P0171 or P0174
DTC P0172 or P0175
DTC P0201, P0202, P0203, P0204, P0205, or P0206
DTC P0221
DTC P0222
DTC P0223
DTC P0261, P0264, P0267, P0270, P0273, or P0276
DTC P0262, P0265, P0268, P0271, P0274, or P0277
DTC P0300
DTC P0301-P0306
DTC P0313
DTC P0324
DTC P0327 or P0332
DTC P0328 or P0333
DTC P0335
DTC P0341
DTC P0342
DTC P0343
DTC P0401
DTC P0402
DTC P0403
DTC P0405
DTC P0406
DTC P0409
DTC P0421 or P0431
DTC P0440
DTC P0442
DTC P0443
DTC P0444
DTC P0445
DTC P0446
DTC P0447
DTC P0448
DTC P0449
DTC P0451
DTC P0452
DTC P0453
DTC P0455
DTC P0489
DTC P0490
DTC P0496
DTC P0506
DTC P0507
DTC P0601, P0602, P0603, P0604, P0605, P0606, P0607, P1600, P1621, P1627, P1680, P1681, P1683, or P2610
DTC P0610
DTC P0627
DTC P0628
DTC P0629
DTC P0638
DTC P0700
DTC P1245
DTC P1271
DTC P1277
DTC P1278
DTC P1282
DTC P1283
DTC P1403
DTC P1405
DTC P1406
DTC P1510
DTC P1511
DTC P1516
DTC P1519
DTC P1523
DTC P1526
DTC P1551
DTC P2008
DTC P2009
DTC P2010
DTC P2100
DTC P2101
DTC P2107
DTC P2119
DTC P2122
DTC P2123
DTC P2127
DTC P2128
DTC P2138
DTC P2176
Electrical/Electronic Schematic Diagrams
Engine Controls Schematic Icons
Engine Controls Schematics
Electrical/Electronic Specifications
Altitude Versus Barometric Pressure
Diagnostic Trouble Code (DTC) Type Definitions
Diagnostic Trouble Code (DTC) Types
Ignition System Specifications
Temperature Versus Resistance
Gas, Vacuum and Fluids Schematics and Diagrams
Evaporative Emissions Hose Routing Diagram
General Diagnostic Information
Scan Tool Data List
Scan Tool Output Controls
Mechanical Specifications
Fastener Tightening Specifications
Removal, Installation, and Replacement
Accelerator Pedal Position Sensor Replacement
Air Cleaner Assembly Replacement
Camshaft Position Sensor Replacement
Crankshaft Position Sensor Replacement
Engine Control Module Replacement
Engine Coolant Temperature Sensor Replacement
Engine Oil Pressure Switch Replacement
Evaporative Emission Canister Purge Solenoid Valve Replacement
Evaporative Emission Canister Replacement
Evaporative Emission Canister Vent Solenoid Valve Replacement
Exhaust Gas Recirculation Valve Replacement
Fuel Filter Replacement
Fuel Hose/Pipes Replacement - Chassis
Fuel Hose/Pipes Replacement - Engine Compartment
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 Sender Assembly Replacement
Fuel Tank Draining
Fuel Tank Pressure Sensor Replacement
Fuel Tank Replacement
Heated Oxygen Sensor Replacement - Bank 1 Sensor 1
Heated Oxygen Sensor Replacement - Bank 1 Sensor 2
Heated Oxygen Sensor Replacement - Bank 2 Sensor 1
Heated Oxygen Sensor Replacement - Bank 2 Sensor 2
Ignition Control Module Replacement - Bank 1
Ignition Control Module Replacement - Bank 2
Intake Manifold Runner Control Solenoid Replacement
Knock Sensor 1 Replacement
Knock Sensor 2 Replacement
Manifold Absolute Pressure Sensor Replacement
Mass Airflow Sensor with Intake Air Temperature Sensor Replacement
Plastic Collar Quick Connect Fitting Service
Spark Plug Replacement
Throttle Body Assembly Replacement