GM Service Manual Online
For 1990-2009 cars only
Makes
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Buick
🢒
2007
🢒
LaCrosse
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Engine
🢒 Engine Controls and Fuel - 3.8L
Engine
All Component Locator
Engine Controls Component Views
All Description and Operation
Electronic Ignition (EI) System Description
Evaporative Emission Control System Description
Exhaust Gas Recirculation (EGR) System Description
Fuel System Description
Powertrain Control Module Description
Secondary Air Injection System 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
Fuel Injector Cleaning
Spark Plug Inspection
Throttle Body Cleaning
Diagnostic Procedures
Alcohol/Contaminants-in-Fuel Diagnosis
Crankshaft Position Sensor System Diagnosis
Diagnostic Starting Point - Engine Controls
Electronic Ignition (EI) System Diagnosis
Engine Cranks But Does Not Run
Fuel Injector Diagnosis
Fuel Pump Electrical Circuit Diagnosis
Fuel System Diagnosis
Inspection/Maintenance (I/M) Complete System Set Procedure
Inspection/Maintenance (I/M) System Check
Inspection/Maintenance (I/M) System DTC Table
Malfunction Indicator Lamp (MIL) Diagnosis
Manifold Absolute Pressure Sensor Diagnosis
Poor Fuel Fill Quality
Service Bay Test
Symptoms - Fuel System
Symptoms - Ignition System
Symptoms - Sensors/Systems
Diagnostic Trouble Codes
DTC P0016
DTC P0030, P0036, P0053, P0054, P0135, or P0141
DTC P0068
DTC P0101
DTC P0102 or P0103
DTC P0106
DTC P0107 or P0108
DTC P0112, P0113, P1111, or P1112
DTC P0116
DTC P0117, P0118, P1114, or P1115
DTC P0120
DTC P0128
DTC P0131, P0132, P0137, or P0138
DTC P0133, P0134, P0140, P1133, P1134, P2A00, or P2A01
DTC P0171 or P0172
DTC P0201, P0202, P0203, P0204, P0205, or P0206
DTC P0220
DTC P0230
DTC P0300
DTC P0315
DTC P0325, P0326, P0327, or P0332
DTC P0335
DTC P0336
DTC P0340
DTC P0341
DTC P0350
DTC P0385
DTC P0386
DTC P0401
DTC P0403
DTC P0404
DTC P0405
DTC P0406
DTC P0411
DTC P0412 or P0418
DTC P0420
DTC P042E
DTC P0442
DTC P0443
DTC P0446
DTC P0449
DTC P0451
DTC P0452
DTC P0453
DTC P0454
DTC P0455
DTC P0496
DTC P0506
DTC P0507
DTC P0601, P0602, P0603, P0604, P0605, P0606, P0607, P1600, P1621, P1627, P1680, P1681, P1683, or P2610
DTC P0641 or P0651
DTC P0650
DTC P0685
DTC P1125
DTC P1350
DTC P1400
DTC P1516
DTC P1640, P1650, or P1660
DTC P2101
DTC P2107
DTC P2108
DTC P2119
DTC P2120
DTC P2125
DTC P2135
DTC P2138
DTC P2430-P2433
DTC P2440
DTC P2444
DTC U0107
Symptoms - Engine Controls
Electrical/Electronic Schematic Diagrams
Engine Controls Schematics
Electrical/Electronic Specifications
Altitude Versus Barometric Pressure
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
Removal, Installation, and Replacement
Accelerator Pedal Position Sensor Replacement
Air Cleaner Assembly Replacement
Air Cleaner Element Replacement
Air Cleaner Inlet Duct Replacement
Barometric Pressure Sensor Replacement
Camshaft Position Sensor Replacement
Crankshaft Position Sensor Replacement
Crankshaft Position System Variation Learn
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 - Chassis/Canister
Evaporative Emission Hoses/Pipes Replacement - Engine/Chassis
Exhaust Gas Recirculation (EGR) System Cleaning
Exhaust Gas Recirculation Inlet Pipe Replacement
Exhaust Gas Recirculation Valve Outlet Pipe Replacement
Exhaust Gas Recirculation Valve Replacement
Filler Tube Replacement
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 Strainer Replacement
Fuel System Cleaning
Fuel Tank Draining
Fuel Tank Pressure Sensor Replacement
Fuel Tank Replacement
Heated Oxygen Sensor Replacement - Sensor 1
Heated Oxygen Sensor Replacement - Sensor 2
Ignition Coil Replacement
Ignition Control Module 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 Replacement
Secondary Air Injection Pump Replacement
Secondary Air Injection Shut-Off Valve Outlet Pipe/Hose Replacement
Secondary Air Injection Shutoff Valve Replacement
Spark Plug Replacement
Spark Plug Wire Inspection
Spark Plug Wire Replacement
Throttle Body Assembly Replacement