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Pontiac
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1989
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LeMans Base, Standard
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Repair and Diagnosis
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Engine Performance
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System
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System/Component Tests
System/Component Tests
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Testing
Notes
Engine Sensors & Switches
Coolant Temperature Sensor
Cts Resistance
Notes
System/Component Tests
Exhaust Gas Oxygen (O2) Sensor
Manifold Absolute Pressure (MAP) Sensor
Map Volt Specifications
Notes
System/Component Tests
Manifold Air Temperature (MAT) Sensor (2.0L Engine Only)
Mat Resistance
Notes
System/Component Tests
Park/Neutral (P/N) Switch
Throttle Position Sensor (TPS)
Vehicle Speed Sensor (VSS)
Relays, Solenoids, Motors & Modules Testing
System/Component Tests
A/C Clutch Control & Relays
Engine Cooling Fan Relay (Hi-Speed)
Transmission Converter Clutch (TCC) Solenoid
Shift Light (Manual Transmissions)
Fuel Delivery
Fuel Injector Control
Fuel Injector Solenoid
Idle Control System
System/Component Tests
Idle Air Control Valve (IACV)
Ignition System Testing
Notes
System/Component Tests
Ignition Coil Testing
Timing Control Systems Testing
System/Component Tests
Electronic Spark Timing (EST) Function
Emission Systems & Sub-Systems Testing
Evaporative Emission Control System (EECS)
Testing Diaphragm Operated Purge Valve
Exhaust Gas RECIRCULATION (EGR) Valve
PCV Valve
1.6L Engine
2.0L Engine
Thermostatic Air Cleaner (THERMAC) (1.6L Engine Only)
Fault Diagnosis
Testing