5-1
5
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5. FUEL SYSTEM
SERVICE PRECAUTIONS ····························· 5-2
PIPING CONNECTIONS································ 5-7
CIRCUIT DIAGRAM······································ 5-8
SYSTEM LOCATION ···································5-10
ECM TERMINAL ARRANGEMENT ················5-11
DTC TROUBLESHOOTING ··························5-13
MIL TROUBLESHOOTING ···························5-43
FUEL PRESSURE RELIEVING······················5-66
FUEL PUMP (LOW PRESSURE SIDE)
REMOVAL/INSTALLATION ··························5-67
SILENCER CASE REMOVAL/
INSTALLATION ··········································5-67
INTAKE MANIFOLD REMOVAL/
INSTALLATION ··········································5-69
FUEL INJECTORS REMOVAL/
INSTALLATION ··········································5-73
FUEL PUMP (HIGH PRESSURE SIDE)/VAPOR
SEPARATOR REMOVAL/INSTALLATION ······5-76
MAP SENSOR REMOVAL/INSTALLATION ·····5-81
IAT SENSOR REMOVAL/INSTALLATION ·······5-81
IAC VALVE REMOVAL/INSTALLATION ·········5-82
HO2S REMOVAL/INSTALLATION ·················5-82
VTEC SOLENOID VALVE REMOVAL/
INSTALLATION (BF90D/BF100A ONLY) ········5-82
CKP SENSOR REMOVAL/INSTALLATION ·····5-83
CMP SENSOR REMOVAL/INSTALLATION ·····5-83
EOP SENSOR REMOVAL/INSTALLATION ·····5-84
KNOCK SENSOR REMOVAL/INSTALLATION
(BF90D/BF100A ONLY) ·······························5-84
EBT SENSOR REMOVAL/INSTALLATION······5-84
ECT SENSOR 2 REMOVAL/INSTALLATION ··· 5-85
ECT SENSOR 3 REMOVAL/INSTALLATION ··· 5-85
AIR VENT STRAINER/CHECK VALVE
REMOVAL/INSTALLATION ·························· 5-86
WATER SEPARATOR REMOVAL/
INSTALLATION·········································· 5-87
WATER SEPARATOR DISASSEMBLY/
ASSEMBLY ··············································· 5-89
SILENCER CASE DISASSEMBLY/
ASSEMBLY ··············································· 5-90
FUEL PUMP (HIGH PRESSURE SIDE)/VAPOR
SEPARATOR DISASSEMBLY/ASSEMBLY ····· 5-91
FUEL TANK/FUEL TANK TUBE
DISASSEMBLY/ASSEMBLY························· 5-96
FUEL PRESSURE MEASUREMENT ·············· 5-97
FUEL PRESSURE REGULATOR
INSPECTION ············································· 5-98
FUEL PUMP (LOW PRESSURE SIDE)
INSPECTION ············································· 5-99
FUEL PUMP (HIGH PRESSURE SIDE)
INSPECTION ············································· 5-99
VAPOR SEPARATOR INSPECTION ············ 5-102
FUEL INJECTOR INSPECTION··················· 5-103
THROTTLE BODY INSPECTION ················· 5-105
EBT SENSOR/ECT SENSOR 2/3
INSPECTION ··········································· 5-106
WATER LEVEL SENSOR INSPECTION········ 5-106
VTEC SOLENOID VALVE INSPECTION
(BF90D/BF100A ONLY) ····························· 5-107
IAC VALVE INSPECTION··························· 5-107
IAT SENSOR INSPECTION ························ 5-107
HO2S INSPECTION ·································· 5-108