GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Chevrolet
🢒
2005
🢒
Optra
🢒
Engine
🢒 Engine Controls - 1.4L DOHC
Engine
All Component Locator
Engine Controls Component Views
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
All Visual Identification
Engine Control Module Connector End Views
Engine Controls Connector End Views
Cleaning, Inspection, and Adjustment
Fuel System Cleaning
Idle Learn
Spark Plug Inspection
Spark Plug Wire 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
Hard Start
Hesitation, Sag, Stumble
Intake Manifold Tuning Valve Diagnosis
Intermittent Conditions
Lack of Power, Sluggishness, or Sponginess
Main Relay Circuit Diagnosis
Malfunction Indicator Lamp (MIL) Always On
Malfunction Indicator Lamp (MIL) Inoperative
Poor Fuel Economy
Rough, Unstable, or Incorrect Idle and Stalling
Surges/Chuggles
Symptoms - Engine Controls
Diagnostic Trouble Codes
Diagnostic Trouble Code (DTC) List
DTC P0107
DTC P0108
DTC P0112
DTC P0113
DTC P0117
DTC P0118
DTC P0122
DTC P0123
DTC P0131
DTC P0132
DTC P0133
DTC P0135
DTC P0137
DTC P0138
DTC P0140
DTC P0141
DTC P0171
DTC P0172
DTC P0222
DTC P0223
DTC P0261, P0264, P0267, or P0270
DTC P0262, P0265, P0268, or P0271
DTC P0300
DTC P0327
DTC P0335
DTC P0336
DTC P0337
DTC P0341
DTC P0342
DTC P0351 or P0352
DTC P0400
DTC P0404
DTC P0405
DTC P0406
DTC P0420
DTC P0444
DTC P0445
DTC P0501
DTC P0510
DTC P0601, P0602, P0603, P0604, P0605, P0606, P0607, P1600, P1621, P1627, P1680, P1681, P1683, or P2610
DTC P0654
DTC P1181
DTC P1182
DTC P1230
DTC P1231
DTC P1320
DTC P1321
DTC P1382
DTC P1385
DTC P1402
DTC P1403
DTC P1404
DTC P1476
DTC P1477
DTC P1478
DTC P1511
DTC P1512
DTC P1513
DTC P1610
DTC P1611
DTC P1628
DTC P1629
DTC P1660
DTC P1661
Electrical/Electronic Schematic Diagrams
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
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
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