Fuel System Diagnosis
- Fuel pressure should be checked. Connect Fuel Pressure Gauge (J-25400-300) to fuel line service fitting. Measure fuel pressure while cranking engine.
- If pressure is not between 9-12 psi (.6-.8 kg/cm2 ), see appropriate A-4 FUEL SYSTEM DIAGNOSIS CHART in COMPUTER CONTROLS section. If pressure is between 9-12 psi (.6-.8 kg/cm2 ), see appropriate A-5 INJECTOR DIAGNOSIS CHART in COMPUTERIZED ENGINE CONTROL section.