GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
GMC_Truck
🢒
2008
🢒
Envoy - 4WD
🢒
Engine
🢒 Engine Controls and Fuel - 4.2L
Engine
All Description and Operation
Air Intake System Description
Camshaft Actuator System Description
Electronic Ignition (EI) System Description
Engine Control Module Description
Evaporative Emission Control System Description
Fuel System Description
Knock Sensor (KS) System Description
Secondary Air Injection System Description
Throttle Actuator Control (TAC) System Description
All Special Tools and Equipment
Special Tools
Cleaning, Inspection, and Adjustment
Evaporative Emission System Cleaning
Fuel System Cleaning
Spark Plug Inspection
Throttle Learn
Diagnostic Procedures
Alcohol/Contaminants-in-Fuel Diagnosis
Diagnostic Starting Point - Engine Controls
Electronic Ignition (EI) System Diagnosis
Engine Cranks But Does Not Run
Evaporative Emission System Diagnosis
Fuel Injector Circuit Diagnosis
Fuel Injector Diagnosis
Fuel Pump Electrical Circuit Diagnosis
Fuel System Diagnosis
Fuel Tank Leak Test
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
Poor Fuel Fill Quality
Service Bay Test
Symptoms - Engine Controls
Diagnostic Trouble Codes
DTC P0013
DTC P0014
DTC P0017
DTC P0030, P0036, P0053, P0054, P0135, or P0141
DTC P0068 or P0121
DTC P0101 or P1101
DTC P0102 or P0103
DTC P0106
DTC P0107 or P0108
DTC P0112 or P0113
DTC P0116
DTC P0117 or P0118
DTC P0120, P0122, P0123, P0220, P0222, P0223, or P2135
DTC P0128
DTC P0131, P0132, P0137, or P0138
DTC P0133, P0134, P013A, P013B, P013E, P013F, P0140, P1133, P2270, P2271, or P2A00
DTC P0171 or P0172
DTC P0201, P0202, P0203, P0204, P0205, or P0206
DTC P0230
DTC P0300-P0306
DTC P0315
DTC P0324, P0325, P0326, P0327, P0328, P0330, P0332, or P0333
DTC P0335 or P0336
DTC P0351-P0356
DTC P0365
DTC P0366
DTC P0411
DTC P0412 or P0418
DTC P0420
DTC P0442
DTC P0443 or P0449
DTC P0446
DTC P0451, P0452, P0453, or P0454
DTC P0455
DTC P0496
DTC P0506 or P0507
DTC P0601, P0602, P0603, P0604, P0606, P0607, P060D, P062F, or P2610
DTC P0641 or P0651
DTC P0650
DTC P0685, P0689, or P0690
DTC P0700
DTC P1174
DTC P1381
DTC P1400
DTC P1516, P2101, P2119, or P2176
DTC P1682
DTC P2120, P2122, P2123, P2125, P2127, P2128, or P2138
DTC P2430-P2433
DTC P2440
DTC P2444
DTC P2544
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
Mechanical Specifications
Fastener Tightening Specifications
Removal, Installation, and Replacement
Accelerator Pedal Position Sensor Replacement
Air Cleaner Assembly Replacement
Air Cleaner Element Replacement
Air Cleaner Outlet Resonator Replacement
Camshaft Position Actuator Solenoid Valve Replacement
Camshaft Position Sensor Replacement
Crankshaft Position Sensor Replacement
Crankshaft Position System Variation Learn
Engine 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/Chassis
Fuel Hose/Pipes Replacement - Chassis
Fuel Injection Fuel Rail Assembly Replacement
Fuel Injector Replacement
Fuel Level Sensor Replacement
Fuel Pressure Gage Installation and Removal
Fuel Pressure Relief
Fuel Sender Assembly Replacement
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
Knock Sensor 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
Secondary Air Injection Pump Hose Replacement
Secondary Air Injection Pump Replacement
Secondary Air Injection Solenoid Valve Replacement
Spark Plug Replacement
Throttle Body Assembly Replacement