ELECTRONIC FUEL INJECTION DIAGNOSIS AND SERVICE

1
ELECTRONIC FUEL INJECTION DIAGNOSIS AND SERVICE

• CHAPTER 11
• LAB MANUAL

2
PRELIMINARY CHECKS

• ELECTRICAL SYSTEM OPERATION
• PCV SYSTEM OPERATION
• BASIC ENGINE CONDITION
• ENGINE SYSTEMS
• EMISSION SYSTEMS OPERATION
• TIMING AND IDLE SPEED

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SERVICE PRECAUTIONS

• RELIEVE FUEL PRESSURE
• OPERATION OF SYSTEM WITH OPEN FITTINGS
• SYSTEM VOLTAGE SPIKES
• STATIC DISCHARGES
• DISCONNECT BATTERY CABLES

4
BASIC EFI SYSTEM CHECKS