High-Pressure Fuel Supply Circuit Check
Precautions: Precautions for Fuel System Service · General safety (00)
Troubleshooting
NOTE:
Before using the following flow chart, check that battery voltage is 11 V or more.
| Step | Action | Yes | No |
|---|---|---|---|
| 1 |
Was “Low-Pressure Fuel Supply Circuit Check” performed?
|
Go to Step 2.
|
|
| 2 |
Fuel line check
1)Check high pressure pipe, fuel delivery pipe and joint for fuel leakage, damage or deformation.
Is check result OK?
|
Go to Step 3.
|
Repair defective part.
|
| 3 |
Was “High Pressure Fuel. Pump and Its Circuit Check” performed?
|
Go to Step 4.
|
|
| 4 |
Was “Fuel Pressure Sensor and Its Circuit Check” performed?
|
Go to Step 5.
|
|
| 5 |
Power balance test
1)Check power balance.
Is check result OK?
|
Fuel system is in good condition.
|
Go to Step 6.
|
| 6 |
Fuel injector check
1)Check fuel injector.
Is check result OK?
|
Check Fuel Injector Circuit Check.
|
Fuel injector is in faulty condition. Replace fuel Injector.
|