CHERY·A21 SERVICE MANUAL ENGINE EFI SYSTEM
5
Tool name:
EFI system diagnostic tester
Function:
Read/clear the breakdown code in EFI and
inspect data, test part motion.
Tool name:
Ignition timing lamp
Function:
Inspect engine ignition timing.
Tool name:
Digital multimeter
Function:
Inspect the character parameter of voltage,
current, resistance.
Tool name:
Fuel pressure gauge
Function:
Inspect the pressure in fuel system, judge the
status of fuel pump and fuel pressure
regulator.
