(b)
Check the vacuum tube for damaged, loose, leakage and so
on.
Next
Step 2
Check for other DTC codes.
(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
To Step
DTC Codes Other Than DTC P0300-P0304
No
DTC P0300-P0304
Yes
No
Yes
Step 3
Check valves and air intake system.
(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?
Yes
No
Step 4
Check the Spark Plug.
(a)
Remove the spark plug from the misfire cylinder.
(b)
Check whether the spark plug gap is too large or too small.
Standard Gap: 0.8-0.9 mm (0.031-0.035 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?
2-148
Control System JL4G18-D
Engine
EC718/EC718RV EC715/EC715RV 10/2009
Summary of Contents for EC715 2009
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