DTC P0087: Fuel Rail Pressure Too Low

1. Before attempting this troubleshooting. Check whether DTC could have been caused by insufficient fuel level.

Was fuel insufficient?

YES | - | Supply fuel, and do the fuel system air bleeding, then go to Step 11 .
NO | - | Go to Step 2 .

1. Record this freeze data.
   - ENGINE SPEED
   - VSS
   - ECT

1. Check the ECT in the freeze data.

Could fuel have frozen due to extremely low temperature?

YES | - | Check and repair the freezing point in the low pressure fuel line, then go to Step 14 .
NO | - | Go to Step 4 .

1. Check for fuel leaks in the high pressure fuel line (at the injector, fuel pipe, etc.).

Is there any leak?

YES | - | Repair the fuel leak in the high pressure fuel line, then go to Step 13 .
NO | - | Go to Step 5 .

1. Turn the ignition switch OFF.

1. Disconnect the low pressure fuel feed hose (A) from the fuel supply pump, and receive fuel in a container.