DTC P0087-00: Fuel Rail / System Pressure - Too Low [12/2021 - ]: Procedure

1. Check around and beneath the vehicle for fuel leaks, fumes, etc.

   OK

   No fuel leaks present.

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPAIR OR REPLACE FUEL LEAK POINT 

Result: 

OK 

See step  2

1. Read the DTCs.

   Powertrain > Engine > Trouble Codes 

   Result

   Result	Proceed to
   P0087-00 and other DTCs are output	A
   P0087-00 is output	B

   HINT: 

   If any DTCs other than P0087-00 are output, troubleshoot those DTCs first.

Result: 

A 

GO TO DTC CHART. Refer to  DIAGNOSTIC TROUBLE CODE CHART [12/2021 - ] 

Result: 

B 

See step  3

1. Has the vehicle run out of fuel in the past?

   Result

   Proceed to
   YES
   NO

Result: 

YES 

DTC CAUSED BY RUNNING OUT OF FUEL 

Result: 

NO 

See step  4

Pre-procedure1

1. Start the engine and warm it up until the engine coolant temperature reaches 75°C (167°F) or higher.

   Procedure1

2. According to the display on the GTS, read the Data List with the Active Test "Control the Injection Mode" set to Direct.

   Powertrain > Engine > Active Test 

   Active Test Display
   Control the Injection Mode

   Data List Display
   Injection Mode
   Misfire Count Cylinder #1
   Misfire Count Cylinder #2
   Misfire Count Cylinder #3
   Misfire Count Cylinder #4
   Misfire Count Cylinder #5
   Misfire Count Cylinder #6

   Result

   Injection Mode	Misfire Count	Proceed to
   Direct	No misfire counts, or misfire counts occur randomly in all cylinders	A
   	Misfire counts occur in a particular cylinder	B

   HINT: 

   Perform "Inspection After Repair" after replacing the direct fuel injector assembly.

   Refer to INITIALIZATION [12/2021 - ]

   Post-procedure1

3. None

Result: 

B 

REPLACE DIRECT FUEL INJECTOR ASSEMBLY. Refer to  REMOVAL [12/2021 - ] 

Result: 

A 

See step  5

Pre-procedure1

1. Start the engine.

   Procedure1

2. Check that the fuel pressure fluctuates when the engine condition changes from idling to racing.

   Powertrain > Engine > Data List 

   Tester Display
   Fuel Pressure (High)

   Result

   Result	Proceed to
   Fuel pressure does not rise	A
   Fuel pressure does not fluctuate	B
   Fuel pressure fluctuates	C

   HINT: 

   Perform "Inspection After Repair" after replacing the fuel pressure sensor (for high pressure side).

   Refer to INITIALIZATION [12/2021 - ]

   Post-procedure1

3. None

Result: 

B 

REPLACE FUEL PRESSURE SENSOR (FOR HIGH PRESSURE SIDE). Refer to  REMOVAL [12/2021 - ] 

Result: 

C 

See step  8

Result: 

A 

See step  6

Refer to PROCEDURE - Step 2

Result

Result: 

NG 

GO TO FUEL PUMP CONTROL CIRCUIT. Refer to  Fuel Pump Control Circuit [12/2021 - ] 

Result: 

OK 

See step  7

Refer to PROCEDURE - Step 2

Result

Result: 

NG 

REPAIR OR REPLACE FUEL SYSTEM 

Result: 

OK 

See step  8

HINT: 

Refer to REMOVAL [12/2021 - ]

Perform "Inspection After Repair" after replacing the fuel pump assembly (for high pressure side).

Refer to INITIALIZATION [12/2021 - ]

Result

Result: 

NEXT 

See step  9

Pre-procedure1

1. None

   Procedure1

2. Clear the DTCs.

   Powertrain > Engine > Clear DTCs 

   Result

   Proceed to
   NEXT

   Post-procedure1

3. Turn the ignition switch off and wait for at least 30 seconds.

Result: 

NEXT 

See step  10

Pre-procedure1

1. Drive the vehicle in accordance with the driving pattern described in Confirmation Driving Pattern.

   Procedure1

2. Read the DTCs.

   Powertrain > Engine > Trouble Codes 

   Result

   Result	Proceed to
   DTCs are not output	A
   P0087-00 is output	B

   Post-procedure1

3. None

Result: 

A 

END 

Result: 

B 

REPLACE ECM. Refer to  REMOVAL [12/2021 - ]