Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET2002VENTURE BASE, VAN PASSENGER EXTENDEDREPAIR AND DIAGNOSISENGINE PERFORMANCETHEORY AND OPERATIONENGINE CONTROLS - THEORY & OPERATION
2002 Chevrolet Venture Base, Van Passenger Extended
Engine Controls - Theory & Operation
2002 Chevrolet Venture Base, Van Passenger ExtendedSECTION Engine Controls - Theory & Operation
- Model Identification
- Introduction
- Air Induction Systems
- Computerized Engine Controls (Gasoline Engines)
- Notes
- Powertrain Control Module & Vehicle Control Module
- Input Devices
- Notes
- Air Conditioning (A/C) On/Request Signal
- Battery Voltage
- Brake Switch Feedback
- Camshaft Position Sensor (Except 3.0L, 3.4L & 4.2L)
- Camshaft Position Sensor (3.0L)
- Camshaft Position Sensor (3.4L)
- Camshaft Position Sensor (4.2L)
- Cranking Signal
- Crankshaft Position Sensor
- Digital Ratio Adapter Controller
- Engine Coolant Temperature Sensor
- Exhaust Gas Recirculation Pintle Position Sensor
- Fuel Pump Feedback
- Gear Switches
- Intake Air Temperature Sensor
- Knock Sensor
- Manifold Absolute Pressure Sensor
- Oxygen Sensor
- Park/Neutral Position Switch
- Throttle Position Sensor
- Transmission Fluid Pressure Switch
- Transmission Fluid Temperature Sensor
- Vehicle Speed Sensor
- Output Signals
- Notes
- A/C Clutch Relay
- Cruise Control Stepper Motor
- EGR System
- Electronic Ignition
- Fuel Injectors
- Fuel Pump & Fuel Pump Relay
- Idle Air Control Valve
- Malfunction Indicator Light
- Self-Diagnostics
- Serial Data
- Shift Solenoids (Electronic Transmission)
- Torque Converter Clutch
- Transmission Shift Light (Manual Transmission)
- Computerized Engine Controls (Diesel Engines)
- Fuel Systems (Diesel Engines)
- Fuel Systems (Gasoline Engines)
- Ignition Systems (Gasoline Engines)
- Emission Systems (Gasoline Engines)
- Emission Systems (Diesel Engines)
- Self-Diagnostic System
- Miscellaneous Controls
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.