Fuel System Check: Troubleshooting
WARNING: This page is about a different variant/trim than selected.
TROUBLESHOOTING CHART
| Step | Action | YES | NO |
|---|---|---|---|
| 1 | Fuel pump check
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 or replace faulty component. |
| 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 or replace faulty component. |
| 5 | Fuel injector check
Is it in good condition? |
Substitute a known-good ECM and recheck, see ECM (ENGINE CONTROL MODULE) REMOVAL AND INSTALLATION . | Repair or replace faulty component. |