Fuel System Inspection
DIAGNOSTIC PROCEDURE CHART
| Step | Action | YES | NO |
|---|---|---|---|
| 1 | Fuel pump inspection
Is it in good condition? |
Go to Step 2. | Check fuel pump circuit, see FUEL PUMP AND ITS CIRCUIT CHECK . |
| 2 | Fuel pressure check
Is it in good condition? |
Go to Step 3. | Repair defective part. |
| 3 | Power balance test
Is it in good condition? |
Fuel system is in good condition. | Go to Step 4. |
| 4 | Fuel injector circuit check
Is it in good condition? |
Go to Step 5 | Repair defective part. |
| 5 | Fuel injector check
Is it in good condition? |
Replace ECM and recheck DTC, see ECM REMOVAL AND INSTALLATION . | Replace fuel injector. |