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Isuzu
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1989
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I-Mark LS
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Repair and Diagnosis
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Engine Performance
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System
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Basic Testing - EFI
Basic Testing - EFI
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Introduction
Pre-Inspection & Adjustments
Visual Inspection
Mechanical Inspection
Compression
Exhaust System Backpressure
Fuel System
Fuel Pressure (Amigo, Impulse, Pickup & Trooper II 2.6L)
Notes
Fuel Pump Pressure Test
Fuel Pressure (I-Mark)
Notes
Fuel Pump Pressure Test
Fuel Pump Relay (I-Mark)
Fuel Pressure (Trooper II 2.8L)
Notes
Fuel Pump Pressure Test
Chart A7, Fuel System Diagnosis
Notes
Diagnostic Aids
Fuel Pump Relay (Trooper II 2.8L)
Ignition Checks
High Energy Ignition (HEI) (I-Mark & Trooper II 2.8L)
Ignition System Check
Ignition Coil
Pick-Up Coil
Except High Energy Ignition (HEI) (Amigo, Pickup, Impulse & Trooper II 2.6L)
Ignition Coil
Crank Angle Sensor
Power Transistor
Engine Cranks/Won't Run
Chart A3, Engine Cranks But Won't Run (I-Mark Turbo & 1.6L)
Notes
Diagnostic Aids
Chart A3, Engine Cranks But Will Not Run (Trooper II 2.8L)
Notes
Diagnostic Aids
Idle Speed & Ignition Timing
Summary