OVERALL SEQUENCE
 
 DETAILED PROCEDURE

 
 1.CHECK “A/F ALPHA-B1”, “A/F ALPHA-B2”
 
 2.CHECK “B/FUEL SCHDL”
 
 3.CHECK “B/FUEL SCHDL”
 
 4.CHECK “A/F ALPHA-B1”, “A/F ALPHA-B2”
 
 5.CHANGE ENGINE OIL
 
 6.CHECK FUEL PRESSURE
 
 7.DETECT MALFUNCTIONING PART
 
 8.CHECK “A/F ALPHA-B1”, “A/F ALPHA-B2”
 
 9.PERFORM POWER BALANCE TEST
 
 10.DETECT MALFUNCTIONING PART
 
 11.CHECK “A/F ALPHA-B1”, “A/F ALPHA-B2”
 
 12.CHECK A/F SENSOR 1 FUNCTION
 
 13.CHECK A/F SENSOR 1 CIRCUIT
 
 14.CHECK “A/F ALPHA-B1”, “A/F ALPHA-B2”
 
 15.DISCONNECT AND RECONNECT ECM HARNESS CONNECTOR
 
 16.CHECK “A/F ALPHA-B1”, “A/F ALPHA-B2”
 
 17.CHECK “B/FUEL SCHDL”
 
 18.DETECT MALFUNCTIONING PART
 
 19.CHECK INTAKE SYSTEM
 
 20.CHECK “A/F ALPHA-B1”, “A/F ALPHA-B2”, AND “B/FUEL SCHDL”
 
 21.DISCONNECT AND RECONNECT MASS AIR FLOW SENSOR HARNESS CONNECTOR
 
 22.CHECK “A/F ALPHA-B1”, “A/F ALPHA-B2”
 
 23.CHECK “MAS A/F SE-B1”, “MAS A/F SE-B2”
 
 24.REPLACE ECM
 
 25.CHECK INTAKE SYSTEM
 
 26.CHECK “B/FUEL SCHDL”
 
 27.CHECK “MAS A/F SE-B1”, “MAS A/F SE-B2”
 
 28.CHECK INTAKE SYSTEM
 
 29.CHECK “A/F ALPHA-B1”, “A/F ALPHA-B2”, AND “B/FUEL SCHDL”
 
 30.CHECK “B/FUEL SCHDL”