GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Chevrolet
🢒
2008
🢒
Optra
🢒
Engine
🢒 Engine Controls and Fuel - 1.4L DOHC
Engine
All Description and Operation
Air Intake System Description
Crankcase Ventilation System Description
Electronic Ignition (EI) System Description
Engine Control Module Description
Evaporative Emission Control System Description
Exhaust Gas Recirculation (EGR) System Description
Fuel System Description
Knock Sensor (KS) System Description
All Special Tools and Equipment
Special Tools
Cleaning, Inspection, and Adjustment
Fuel System Cleaning
Idle Learn
Spark Plug Inspection
Spark Plug Wire Inspection
Diagnostic Procedures
Alcohol/Contaminants-in-Fuel Diagnosis
Diagnostic Starting Point - Engine Controls
Electronic Ignition (EI) System Diagnosis
Engine Cranks But Does Not Run
Engine Misfire Diagnosis
Fuel Injector Balance Test with Special Tool
Fuel Injector Solenoid Coil Test
Fuel Pump Electrical Circuit Diagnosis
Fuel System Diagnosis
Fuel Tank Leak Test
Symptoms - Engine Controls
Diagnostic Trouble Codes
DTC P0030 or P0036
DTC P0107 or P0108
DTC P0112 or P0113
DTC P0117 or P0118
DTC P0122, P0123, P0222, or P0223
DTC P0131 or P0132
DTC P0133
DTC P0135 or P0141
DTC P0137 or P0138
DTC P0140
DTC P0171 or P0172
DTC P0261, P0262, P0264, P0265, P0267, P0268, P0270, or P0271
DTC P0300
DTC P0327
DTC P0335, P0336, or P0337
DTC P0341 or P0342
DTC P0351 or P0352
DTC P0400, P0401, P0402, or P1402
DTC P0403, P0404, P0405, P0406, P1403, or P1404
DTC P0420
DTC P0444 or P0445
DTC P0501
DTC P0510
DTC P0601, P0602, P0603, P0604, P0605, P0606, P0607, P1600, P1621, P1627, P1680, P1681, P1683, or P2610
DTC P0628 or P0629
DTC P0650 or P1650
DTC P0661 or P0662
DTC P0700
DTC P1181 or P1182
DTC P1230 or P1231
DTC P1320
DTC P1321
DTC P1382 or P1385
DTC P1390 or P1396
DTC P1476, P1477, or P1478
DTC P1504
DTC P1511, P1512, or P1513
DTC P1610 or P1611
DTC P1660 or P1661
DTC P2101, P2118, or P2119
Intake Manifold Tuning Valve Diagnosis
Electrical/Electronic Schematic Diagrams
Engine Controls Schematics
Electrical/Electronic Specifications
Altitude Versus Barometric Pressure
Ignition System Specifications
Temperature Versus Resistance
Removal, Installation, and Replacement
Acceleration Sensor Replacement
Camshaft Position Sensor Replacement
Crankshaft Position Sensor Replacement
Engine Control Module Replacement
Engine Coolant Temperature Sensor Replacement
Evaporative Emission Canister Purge Solenoid Valve Replacement
Evaporative Emission Canister Replacement
Exhaust Gas Recirculation Valve Replacement
Fuel Filter Replacement
Fuel Injection Fuel Rail Assembly Replacement
Fuel Pressure Gage Installation and Removal
Fuel Pressure Relief
Fuel Pump Replacement
Fuel Tank Replacement
Heated Oxygen Sensor Replacement - Sensor 1
Heated Oxygen Sensor Replacement - Sensor 2
Idle Air Control Valve Replacement
Intake Air Temperature Sensor Replacement
Intake Air Tuning Valve Vacuum Reservoir Replacement
Intake Manifold Tuning Valve Actuator Replacement
Intake Manifold Tuning Valve Actuator Solenoid Replacement
Knock Sensor Replacement
Manifold Absolute Pressure Sensor Replacement
Spark Plug Replacement
Spark Plug Wire Replacement
Throttle Body Assembly Replacement
Throttle Body Inspection and Cleaning
Throttle Position Sensor Replacement