For 1990-2009 cars only
Engine
All Component Locator
All Description and Operation
- Air Intake System Description
- Crankcase Ventilation System Description
- Distributor Ignition (DI) System Description
- Evaporative Emission Control System Operation Description
- Exhaust Gas Recirculation (EGR) System Description
- Fuel Metering Modes of Operation
- Fuel Metering System Component Description
- Fuel Metering System Description
- Fuel Supply Component Description
- Information Sensors/Switches Description
- Knock Sensor (KS) System Description
- Long Term Fuel Trim Description
- Powertrain Control Module Description
- Serial Data Communications
- Short Term Fuel Trim Description
All Special Tools and Equipment
All Visual Identification
Cleaning, Inspection, and Adjustment
- Crankcase Ventilation System Inspection
- Fuel System Cleaning
- Throttle Opener Adjustment
- Throttle Position Sensor Adjustment
Diagnostic Procedures
- Air Conditioning (A/C) Idle Circuit Diagnosis
- Alcohol/Contaminants-in-Fuel Diagnosis
- Backfire
- Cuts Out, Misses
- Data Link Connector Diagnosis
- Detonation/Spark Knock
- Dieseling, Run-On
- Electrical/Accessory Load Idle-Up Signal Diagnosis
- Engine Cranks But Does Not Run
- Evaporative Emission Control System Diagnosis
- Exhaust Gas Recirculation (EGR) System Diagnosis
- Fuel Injector Balance Test
- Fuel Injector Circuit Diagnosis
- Fuel Injector Solenoid Coil Test - Engine Coolant Temperature Between 10-35 Degrees C (50-95 Degrees F)
- Fuel Injector Solenoid Coil Test - Engine Coolant Temperature Outside 10-35 Degrees C (50-95 Degrees F)
- Fuel System - Circuit Opening Relay Diagnosis
- Fuel System Diagnosis
- Fuel Tank Leak Check
- Hard Start
- Hesitation, Sag, Stumble
- Intermittent Conditions
- Lack of Power, Sluggishness, or Sponginess
- Malfunction Indicator Lamp (MIL) Always On
- Malfunction Indicator Lamp (MIL) Inoperative
- Poor Fuel Economy
- Powertrain Control Module Diagnosis
- Powertrain On Board Diagnostic (OBD) System Check
- Restricted Exhaust System Check
- Rough, Unstable, or Incorrect Idle and Stalling
- Surges/Chuggles
- Symptoms
Diagnostic Trouble Codes
- DTC P0105 Manifold Absolute Pressure (MAP) Sensor Circuit
- DTC P0106 Manifold Absolute Pressure (MAP) System Performance
- DTC P0110 Intake Air Temperature (IAT) Sensor Circuit
- DTC P0115 Engine Coolant Temperature (ECT) Sensor Circuit
- DTC P0116 Engine Coolant Temperature (ECT) Sensor Performance
- DTC P0120 Throttle Position (TP) Sensor Circuit
- DTC P0121 Throttle Position (TP) Sensor Performance
- DTC P0125 Excessive Time to Closed Loop Fuel Control
- DTC P0130 O2S Circuit Sensor 1
- DTC P0133 O2S Slow Response Sensor 1
- DTC P0136 HO2S Circuit Sensor 2
- DTC P0141 HO2S Heater Performance Sensor 2
- DTC P0171 Fuel Trim System Lean
- DTC P0172 Fuel Trim System Rich
- DTC P0300 Engine Misfire Detected
- DTC P0301 Cylinder 1 Misfire Detected
- DTC P0302 Cylinder 2 Misfire Detected
- DTC P0303 Cylinder 3 Misfire Detected
- DTC P0304 Cylinder 4 Misfire Detected
- DTC P0325 Knock Sensor (KS) Circuit
- DTC P0335 Crankshaft Position (CKP) Sensor Circuit
- DTC P0340 Camshaft Position (CMP) Sensor Circuit
- DTC P0401 Exhaust Gas Recirculation (EGR) Flow Insufficient
- DTC P0402 Exhaust Gas Recirculation (EGR) Flow Excessive
- DTC P0420 Catalyst System Low Efficiency
- DTC P0500 Vehicle Speed Sensor (VSS) Circuit
- DTC P0505 Idle Control System
- DTC P1300 Ignition Coil 1 Primary Feedback Circuit
- DTC P1335 Crankshaft Position (CKP) Sensor Circuit
- DTC P1520 Stoplamp Switch Circuit
- DTC P1600 Control Module Long Term Memory Reset
Electrical/Electronic Schematic Diagrams
Electrical/Electronic Specifications
Mechanical Specifications
Other Specifications
- Diagnostic Trouble Code (DTC) List
- Engine Scan Tool Data Definitions
- Engine Scan Tool Data List
- Fuel System Specifications
- GM SPO Group Numbers
Removal, Installation, and Replacement
- Accelerator Control Cable Replacement
- Accelerator Pedal Replacement
- Air Cleaner Element Replacement
- Camshaft Position Sensor Replacement
- Circuit Opening Relay Replacement
- Crankshaft Position Sensor Replacement
- Engine Coolant Temperature Sensor Replacement
- Evaporative Emission Canister Replacement
- Evaporative Emission Purge Vacuum Switch Replacement
- Exhaust Gas Recirculation Back Pressure Sensor Replacement
- Exhaust Gas Recirculation Solenoid Vacuum Valve Replacement
- Exhaust Gas Recirculation Valve Replacement
- Fuel Filter Replacement
- Fuel Hose/Pipes Replacement - Chassis
- Fuel Injector and Fuel Rail Replacement
- Fuel Pressure Gage Installation and Removal
- Fuel Pressure Regulator Replacement
- Fuel Pressure Relief
- Fuel Pump Replacement
- Fuel Sender Assembly Replacement
- Fuel Tank Draining
- Fuel Tank Replacement
- Heated Oxygen Sensor Replacement
- Idle Air Control Valve Replacement
- Intake Air Temperature Sensor Replacement
- Knock Sensor Replacement
- Manifold Absolute Pressure Sensor Replacement
- Oxygen Sensor Replacement
- Positive Crankcase Ventilation Valve Replacement
- Powertrain Control Module Replacement
- Throttle Body Assembly Replacement
- Throttle Opener Replacement
- Throttle Position Sensor Replacement
- Vehicle Speed Sensor Replacement
