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16.4 Common troubleshooting
16.4.1 Maintenance tools
a) Disassemble of the electronic control system components - withdrawal tools of automotive
mechanical parts are often used
b)
Electronic control system circuit and system signals - digital multimeter (with buzzer)
c)
Fault diagnosis of electronic control system and detection of engine's working condition
Electronic control system malfunction diagnostic apparatus (recommended)
Failure diagnostic software (PCHUD,) and interface connection wire (conditional use)
d)
Electronic control system failure fault code table (emergency use)
e)
Fuel pressure gauge, range 0 ~ 300kPa
16.4.2 Diagnostic apparatus displays engine operating data stream
Use the engine operational data stream the diagnostic apparatus displays to analyze and determine the engine
failure.
16.4.2.1 Step 1
a) Engine wiring harness and vacuum tube - may affect the system to control air flow and fuel supply
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