Isuzu 22LE / 20LE / C22NE engine, repair e-manual

Content

Engine diagnosis

• Hard starting
• Engine compression test procedure
• Rough engine idling or engine stalling
• Rough engine running
• Hesitation
• Engine lacks power
• Engine noisy
• Abnormal noise due to hydraulic lash adjustor
• Troubleshooting procedure
• Abnormal combustion
• Engine oil consumption excessive
• Fuel consumption excessive
• Oil problems
• Engine oil pressure check
• Malfunction indicator lamp

Engine mechanical

• Engine pictorial
• Crank case ventilation system
• Engine assembly and loose parts
• Operations on engine aggregates
• Operations on installed engine
• Component parts
• Operations on cylinder head and camshaft housing
• Operations on crank drive
• Operations on removed engine
• Operations on oil circulation
• Operations on cooling sysytem
• Engine external parts
• Fule injection system
• Fuel injector
• Technical data
• Special service tool

Engine cooling

• General description
• Service precaution
• Diagnosis
• Draining and refilling cooling system
• Water pump
• Thermostat
• Fan clutch with cooling fan
• Radiator
• Main data and specifications
• Special service tool

Engine fuel

• General description
• Service precaution
• Fuel metering
• Fuel filter
• Fuel pump
• Fuel pump relay
• Fuel tank
• Fuel gage unit
• Fuel filler cap
• Fuel filter
• Fuel tank
• Main data and specifications

Engine electrical

• Battery
• General description
• Service precaution
• Diagnosis
• Battery charging
• Jump starting
• Main data and specifications

Ignition system

• General description
• Service precaution
• Diagnosis
• Ignition coil
• Spark plug
• Crankshaft angle sensor
• Main data and specifications

Starting and charging system

• Starting system
• General description
• Service precaution
• Diagnosis
• Starter
• Charging system
• General description
• General on-vehicle inspection
• Generator
• Diagnosis
• Technical data

Driveability and emissions

• Specification
• Emission control system schematics
• Diagrams and schematics
• Ecm pinouts
• Component locator
• Engine component locator table
• Undercarriage component locator table
• Underhood (U/H) fuse and relay panel
• Instrument panel (I/P) fuse block
• Diagnosis
• Strategy-based diagnostics
• DTC stored
• Intermittents
• Verifying vehicle repair
• Generalservice information
• Obd serviceability issues
• Fuel quality
• Poor vehicle maintenance
• Related system faults

Engine exhaust

• General description
• Service precaution
• Exhaust pipe
• Front exhaust pipe
• Mid pipe
• Catalytic converter (if applicable)
• Exhaust silencer
• Rear exhaust pipe
• Main data and specifications

Engine lubrication

• General description
• Service precaution
• Oil pump
• Oil pan

Engine speed control system

• Service precaution
• Accelerator pedal control cable
• Accelerator pedal

Induction

• Service precaution
• Air cleaner filter

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