DTC P0088: Fuel Rail / System Pressure - Too High: Procedure

1. Connect Techstream to the DLC3.
2. Turn the engine switch on (IG) and turn the Techstream on.
3. Clear the DTCs. Refer to DTC CHECK / CLEAR .
4. Start the engine.
5. Enter the following menus: Powertrain / Engine / Trouble Codes.
6. Read the DTCs using Techstream.

   Result

   Display (DTC output)	Proceed to
   P0088	A
   P0088 and other DTCs	B

   HINT: 

   If any codes other than P0088 are output, perform troubleshooting for those DTCs first.

B → See step   5 

A: Go to next step 

1. Connect Techstream to the DLC3.
2. Turn the engine switch on (IG) and turn the Techstream on.
3. Start the engine.
4. Enter the following menus: Powertrain / Engine / Data List / Fuel Press.
5. Check that the fuel pressure fluctuates when the engine is raced.

   OK

   Fuel pressure fluctuates.

NG → See step   6 

OK: Go to next step 

1. Replace the fuel pump for high pressure. Refer to REMOVAL .

NEXT: Go to next step 

1. Connect Techstream to the DLC3.
2. Turn the engine switch on (IG) and turn the Techstream on.
3. Clear the DTCs. Refer to DTC CHECK / CLEAR .
4. Start the engine.
5. Enter the following menus: Powertrain / Engine / Trouble Codes.
6. Read the DTCs using Techstream.

   Result

   Display (DTC output)	Proceed to
   P0088	A
   No output	B

B → END 

A → See step   7