FI ifl
CHAPTER 7
FUEL INJECTION SYSTEM
FUEL INJECTION SYSTEM 7-1
WIRING DIAGRAM 7-2
ECU’S SELF-DIAGNOSTIC FUNCTION 7-4
CHECKING FOR A DEFECTIVE ENGINE TROUBLE WARNING
LIGHT BULB 7-5
SELF-DIAGNOSTIC FANCTION TABLE 7-5
Self-diagnostic fanction table 7-5
TROUBLESHOOTING CHART 7-7
DIAGNOSTIC MODE 7-8
TROUBLESHOOTING DETAILS 7-12
THROTTLE BODY AND FUEL INJECTOR 7-26
THROTTLE BODY 7-26
FUEL INJECTOR AND FUEL HOSE 7-27
FUEL TANK 7-28
REMOVING THE FUEL HOSE 7-29
REMOVING THE FUEL PUMP 7-29
CHECKING THE THROTTLE BODY 7-30
INSTALLING THE FUEL PUMP 7-31
INSTALLING THE FUEL HOSE 7-31
CHECKING THE FUEL PUMP AND PRESSURE REGULATOR OP-
ERATION 7-32
CHECKING THE THROTTLE POSITION SENSOR 7-32
CHECKING THE ISC (IDLE SPEED CONTROL) VALVE 7-34
AIR INDUCTION SYSTEM 7-35
AIR INJECTION 7-35
AIR CUT-OFF VALVE 7-35
AIR INDUCTION SYSTEM DIAGRAMS 7-36
AIR CUT-OFF VALVE AND AIR FILTER CASE 7-37
CHECKING THE AIR INDUCTION SYSTEM 7-38
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