User Manual - Page 960

For X-TRAIL.

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EC-960
[YD (WITH EURO-OBD)]
DTC P0093 FUEL SYSTEM
2. PERFORM FUEL PUMP LEARNING VALUE CLEARING
NOTE:
If the DTC is detected because of air mixed with fuel (i.e.: caused by lack of fuel), it may become normal by
performing following procedure.
With CONSULT-II
1. Turn ignition switch ON.
2. Perform Fuel Pump Learning value clearing. Refer to EC-890, "
Fuel Pump Learning Value Clearing" .
3. Start engine and let it idle for at least 60 seconds.
4. Select “SELF-DIAG RESULT” mode with CONSULT-II.
5. Touch “ERASE”.
6. Perform EC-959, "
DTC Confirmation Procedure" , again.
7. Is 1st trip DTC detected again?
With GST
1. Turn ignition switch ON.
2. Perform Fuel Pump Learning value clearing. Refer to EC-890, "
Fuel Pump Learning Value Clearing" .
3. Start engine and let it idle for at least 60 seconds.
4. Select MODE 4 with GST.
5. Touch “ERASE”.
6. Perform EC-959, "
DTC Confirmation Procedure" , again.
7. Is 1st trip DTC detected again?
Yes or No
Yes >> GO TO 3.
No >> INSPECTION END
3. CHECK FUEL LINE FOR LEAK
1. Start engine.
2. Visually check the following for fuel leak.
Fuel tube from fuel pump to fuel rail
Fuel rail
Fuel tube from fuel rail to fuel injector
3. Also check for improper connection or pinches.
OK or NG
OK >> GO TO 4.
NG >> Repair malfunctioning part.
4. CHECK FUEL RAIL PRESSURE RELIEF VALVE
Refer to EC-961, "
Component Inspection" .
OK or NG
OK >> GO TO 5.
NG >> Replace fuel rail.
5. CHECK INTERMITTENT INCIDENT
Refer to EC-936, "
TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT" .
OK or NG
OK >> GO TO 6.
NG >> Repair or replace.
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