2003 Subaru Forester Repair Guides
2003 Subaru Forester Fuel Pressure Regulator Replacement — Diagnosis & Repair
A failing fuel pressure regulator causes rich running, black smoke, and fuel odor. Check fuel pressure first.
Easy
30-45 minutes
2003 Subaru Forester Fuel Pump Replacement — Diagnosis & Repair
Electric fuel pumps can fail causing no-start or intermittent running. In-tank pumps on these models require tank drop.
Moderate
2-3 hours