Geely EC718 2009 Workshop Manual page 799

Engine
Next
Check for other DTC codes.
Step 2
Yes
Check valves and air intake system.
Step 3
No
Check the spark plug.
Step 4
Control System JL4G15-D
(b) Check the vacuum tube for damaged, loose, leakage and so
on.
(a) Connect scan tool to the datalink connector.
(b) Turn the ignition switch to "ON" position.
(c) Press the scan tool power button.
(d) Select the following menu items: Engine/Read DTC codes.
(e) Read DTC codes.
Results:
DTC Codes Shown
DTC Codes Other Than DTC P0300-P0304
DTC P0300
Refer to
No
(a) Check vacuum solenoid valve Canister connection is correct
or not and leakage.
(b) Check the vacuum brake booster vacuum tube connection is
correct or not and leakage.
(c) Check the intake tube pressure sensor connection is correct
or not and leakage.
(d) Check purged crankcase ventilation valve, ventilation pipe
connection is correct or not and leakage.
(e) Check whether there is intake leakage.
Is there above mentioned fault?
Repair the faulty part. Go to step 17
Yes
(a) Remove the spark plug from the misfire cylinder.
(b) Check whether the spark plug gap is too large or too small.
Standard Gap: 0.8-1.0 mm (0.031-0.039 in)
(c) Check the existence of spark plug electrode erosion,
damage.
(d) Check whether the spark plug and the electrode part skirt is
wet or not and check the existence of a serious gasoline
leakage.
(e) Reinstall the spark plug.
Is there above mentioned fault?
EC718/EC718RV EC715/EC715RV 10/2009
To Step
2.12.7.14 DTC Code Index.
2-717
No
Yes