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EC-1078
[YD (WITH EURO-OBD)]
DTC P0088 FUEL SYSTEM
DTC P0088 FUEL SYSTEM PFP:17520
On Board Diagnosis Logic BBS001XF
NOTE:
If DTC P0088 is displayed with DTC P0652 or P0653, first perform trouble diagnosis for DTC P0652 or
P0653. Refer to EC-1312, "
DTC P0652, P0653 SENSOR POWER SUPPLY" .
DTC Confirmation Procedure BBS001XG
NOTE:
If DTC Confirmation Procedure has been previously conducted, always turn ignition switch OFF and wait at
least 10 seconds before conducting the next test.
WITH CONSULT-II
1. Start engine and warm it up to normal operating temperature.
2. Select “DATA MONITOR” mode with CONSULT-II.
3. Keep engine speed more than 2,000 rpm for at least 20 sec-
onds.
4. If 1st trip DTC is detected, go to EC-1078, "
Diagnostic Proce-
dure" .
WITH GST
Follow the procedure “WITH CONSULT-II” above.
Diagnostic Procedure BBS001XH
1. CHECK FUEL RAIL PRESSURE SENSOR
Refer to EC-1150, "
Component Inspection" .
OK or NG
OK >> GO TO 2.
NG >> Replace fuel rail.
2. CHECK FUEL INJECTOR
Refer to EC-1159, "
Component Inspection" .
OK or NG
OK >> GO TO 4.
NG >> GO TO 3.
3. REPLACE FUEL INJECOR
1. Replace fuel injector of malfunctioning cylinder.
2. Perform Injector Adjustment Value Registration. Refer to EC-995, "
Injector Adjustment Value Registration"
.
>> INSPECTION END
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P0088
0088
Fuel rail pressure too high
Fuel pressure is too much higher than the speci-
fied value.
● Fuel pump
● Fuel injector
● Fuel rail pressure sensor
SEF817Y
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