TSB-FUE026

GROUP
Fuel System
MODEL
NUMBER
026
DATE
September 2013
2011-2013MY Optima w/2.0L & 2.4L GDI (QF/TF)
2011-2013MY Sportage w/2.0L GDI (SL)
2012-2014MY Sorento w/2.4 GDI (XM)
2014MY Sorento w/3.3L GDI (XM)
2014MY Cadenza w/3.3L GDI (VG)
TECHNICAL SERVICE BULLETIN
SUBJECT:
MIL ON WITH DTC P0087 - DIAGNOSIS AND REPAIR
This bulletin provides information related to some Optima (TF/QF), Sportage (SL), Sorento
(XM) and Cadenza (VG) vehicles, which may experience a malfunction indicator lamp (MIL)
illuminated with the ECM (Electronic Control Module) system-related DTC P0087. To correct
this concern, follow the procedure outlined in this bulletin and, if necessary, replace the high
pressure fuel pump, fuel delivery pipe and mounting bolts.
DTC P0087 - Fuel Rail Pressure (FRP) Too Low
High Pressure Fuel Pump
 NOTICE
Refer to TSB ENG 083 for more details on GDI high pressure system handling
procedures and fuel pump replacement, and the need to replace additional (one
time use) hardware when the high pressure fuel pump is replaced.
File Under: 
Circulate To:
x General Manager

x Service Advisor(s)

x Service Manager

x Parts Manager

x Technician(s) 
x Body Shop Manager  Fleet Repair

Page 2 of 3
SUBJECT:
MIL ON WITH DTC P0087 - DIAGNOSIS AND REPAIR
Diagnosis Procedure:
 NOTICE
The following diagnostic and service procedures apply only to vehicles with MIL on and
DTC P0087 (stored).
1.
Check for other DTCs that would point to the low pressure fuel pump or fuel pressure
sensor. Correct and repair as required.
2.
Inspect the electrical connections at both the pump and the fuel pressure sensor.

On 3.3L GDI equipped vehicles,
check connector CC22B.

On 2.0L and 2.4L GDI equipped
vehicles, check connector CHGINJ
(12-BLK).
3.
Check the fuel line connections on the low pressure side and use a gauge to manually
check primary fuel pressure from the main pump.
4.
If fuel pressure is within specification and all connections are secure, proceed to the
service procedure on Page 3.
TSB: FUE 026 Sorento (XM), Optima (QF/TF), Sportage (SL), Cadenza (VG) September 2013
Page 3 of 3
SUBJECT:
MIL ON WITH DTC P0087 - DIAGNOSIS AND REPAIR
Service Procedure:
1.
Replace the high pressure fuel pump per
applicable procedure on KGIS.
 NOTICE
To avoid a possible fuel leaks, do not
reuse the high pressure fuel delivery
pipe.
Refer to TSB ENG 083 for more details
on GDI high pressure system handling
procedures
and
fuel
pump
replacement, and the need to replace
additional (one time use) hardware
when the high pressure fuel pump is
replaced.
Also, the Service Information on KGIS
will be updated in the near future.
WARNING
Allow the vehicle to rest for a period of
time before removing the high
pressure fuel pump, delivery pipe or
injector. Otherwise, serious injury may
result from high pressure fuel spray.
REQUIRED TOOL:
Part Number
09314-3Q100
Figure
Comments
4 Cyl.
REQUIRED PARTS:
Refer to EPC catalog.
TSB: FUE 026 Sorento (XM), Optima (QF/TF), Sportage (SL), Cadenza (VG) September 2013