Yes
System normal
No
Step 10
Replace the fuel injector.
(a)
Replace the fuel injector. Refer to
Confirm repair completed.
Next
Step 11
System normal.
2.3.7.5 Fuel Gage Inaccurate
2.3.7.6 Surge diagnostic
Fault Definition: When the accelerator pedal position remaines unchanged, the engine power changes causing speed
increase or decrease.
Note
Prior to this diagnostic, make sure the engine control system has no DTC code.
Step 1
Initial Inspection
(a)
Check vacuum hoses, whether there is cracking, kinks and
so on.
(b)
Check engine ECM ground whether there is oxidation, loose,
incorrect location and so on.
(c)
Check whether sensor wiring harness connector is correctly
connected, and the existence of loose, poor connection and
so on.
Next
Step 2
Check whether the intake air pressure sensor is normal?
Refer to the "Control System" in the
.
No
Repair the faulty part.
Yes
Step 3
Is the engine coolant temperature sensor working properly?
Refer to the "Control System" in the
No
Repair the faulty part.
Engine
Fuel System JL4G18-D
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EC718/EC718RV EC715/EC715RV 10/2009
Summary of Contents for EC715 2009
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