Geely EC718 2009 Workshop Manual page 400

2-318 Engine Mechanical System JL4G18-D
Next
Step 5 Remove the timing light to restore high-voltage resistor wire.
Next
Step 6 End of the test.
7. Cylinder Compression Test
Note
Remove EF12 fuses. Fuel and ignition systems can not work. After the test clear the DTC code with a scan tool.
Before the compression test is done, the following conditions must be met:
– Engine reaches normal working temperature.
– Full throttle
–
Remove all four cylinder spark plugs.
– Battery fully charged.
Note
During the start up test, the ignition switch can not remain at the "ST" position for more than 15 s, otherwise it will
damage the starter.
Test pressure of each cylinder, pressure drop may be due to valve closure or piston ring wear.
Step 1
Next
Step 2 Spray proper amount of engine oil into each cylinder
Next
Step 3 Install the cylinder pressure test gage to the apark plug installation port.
EC718/EC718RV EC715/EC715RV 10/2009
Accelerate the engine, observe the engine ignition timing, which
should be moving ahead as shown.
FE02-7004b
Engine