Fuel Pressure Regulator: Testing and Inspection
FUEL PRESSURE REGULATORIf the pressure regulator in the Central Multiport Fuel Injection System (CMFI) supplies pressure that is too low, poor performance will result. If the pressure is too high, excess emissions and unpleasant exhaust odor may result.
For testing of the pressure regulator circuit, refer to Procedures / Diagnostic Charts / Chart A-6 Fuel System Diagnosis. Testing and Inspection