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Isuzu
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1989
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Pickup 1 Ton, MSG5E
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Repair and Diagnosis
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Engine Performance
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System/Component Tests - EFI
System/Component Tests - EFI
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Introduction
Engine Sensors & Switches
Airflow Sensor (AFS) (Amigo & Pickup)
Coolant Temperature Sensor (Cts)
Crank Angle Sensor (CAS) (Amigo & Pickup)
EGR Temperature Sensor
Oxygen (O2) Sensor
Throttle Position Sensor (TPS)
Throttle Valve Switch (TVS) (Amigo & Pickup)
Vehicle Speed Sensor (VSS) (Amigo & Pickup)
Computerized Engine Controls
Control Unit
Notes
ECM Ground Circuit Locations
ECM Constant Power Circuits
ECM Ignition Power Supply
Relays & Solenoids
Fuel Pump Relay
Main Relay
Solenoids
Fuel System
Fuel Delivery
Fuel Control
Notes
Fuel Injectors
Dropping Resistors (Pickup)
Fuel-Cut System (Pickup)
Idle Control System
Ignition System
Emission Systems
Air Injection
Air Switching Valve (ASV)
Check Valve
Vacuum Switching Valve (VSV)
Crankcase Ventilation
Exhaust Gas RECIRCULATION (EGR) System (Amigo & Pickup)
EGR System Operating Parameters
EGR System Test (Amigo & Pickup; California Models)
EGR Valve Test
Backpressure Transducer (BPT)
Thermal Vacuum Valve (TVV)
Evaporative Emission System (Amigo & Pickup)
Notes
Vacuum Switching Valve (VSV)
Purge Control Valve