Federal Emissions (EEC-IV)
- Release fuel pressure. Fuel pump may be activated by grounding fuel pump lead at Self-Test connector. Using a jumper lead, connect Fuel Pump Test Lead terminal to ground. See Figure .
- Turn ignition on to activate fuel pump. Compare fuel pressure reading on fuel pressure gauge with fuel pressure specifications. For fuel pressure specifications, see FUEL PRESSURE SPECIFICATIONS article. For additional testing info, see FUEL SYSTEM in SYSTEM/COMPONENT TESTS - 7.5L EEC-IV article.