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Engine Controls - Basic Diagnostic Procedures
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Engine Controls - Basic Diagnostic Procedures
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Introduction
Preliminary Inspection & Adjustments
Visual Inspection
Mechanical Inspection
Compression
Exhaust System Backpressure
No-Start Diagnosis
No-Start/Normal Crank
Notes
Preliminary Checks
Miscellaneous Component Or System Checks
Engine Will Now Start & Run Normally At Part Throttle
Additional Intermittent Testing
Fuel Systems
Preliminary Checks
Fuel Pressure Release
Fuel System Pressure
Natural Gas Engines
Gasoline Engines
Fuel Injectors
Fuel Injector Resistance
Fuel Injector Check
Inertia Fuel Shutoff Switch
Ignition Systems
Preliminary Checks
EDIS (DISTRIBUTORLESS) Ignition System
Notes
Spark Check
Ignition Coil Resistance
Idle Speed & Ignition Timing
Notes
Idle Mixture Adjustment
Ignition Timing
Throttle Position Sensor Adjustment
Summary