Main Menu
Fuel and Emissions (’91−’92 Models)
Special Tools 11−2
Component Location Index 11−3
System Description
     Vacuum Connections 11−5
     Electrical Connections 11−8
Troubleshooting
     DTC Chart 11−16
     Self−diagnostic Procedures 11−18
     How to Read Flowcharts 11−23
PGM−FI System
System Description 11−24
Troubleshooting Flowcharts
     MIL Never Comes On 11−26
     MIL Stays On 11−27
Idle Control System
DTC Chart 11−66
System Description 11−67
Troubleshooting Flowcharts
     Air Conditioning Signal 11−72
     Alternator FR Signal 11−74
     A/T Gear Position Signal 11−76
     Neutral Switch Signal (M/T)11−78
     Clutch Switch Signal (M/T)11−80
     Starter Switch Signal 11−82
Fast Idle Thermo Valve 11−83
Idle Speed Setting 11−84
Fuel Supply System
DTC Chart 11−86
System Description 11−87
Fuel Pressure 11−87
Fuel Injectors 11−92
Fuel Injector Resistor 11−94
Fuel Pressure Regulator 11−95
Fuel Filter 11−97
Fuel Pump Description 11−98
Fuel Pump 11−102
PGM−FI Main Relay 11−103
Troubleshooting Flowcharts
     Fuel Pump Resistor 11−106
     PGM−FI Main Relay 11−104
Fuel Tank 11−108
Intake Air System
DTC Chart 11−110
System Description 11−111
Air Cleaner 11−112
Throttle Cable 11−113
Throttle Body
     Description 11−114
     Inspection 11−114
     Disassembly 11−116
Throttle Valve Dashpot System Description 11−117
Throttle ValveDashpot System Testing 11−118
Intake Air Bypass (IAB) Control System 11−119
Intake Air Bypass (IAB) Control Valve Testing 11−122
Intake Air Bypass (IAB) Control Valve Disassembly 11−123
Emission Control System
DTC Chart 11−124
System Description 11−125
Tailpipe Emission 11−125
Three Way Catalytic Converter (TWC)
     Description 11−126
     Inspection 11−127
Positive Crankcase (PCV) System 11−134
Evaporative Emission (EVAP) Controls
     Description 11−135
     Troubleshooting Flowchart 11−137
     EVAP TwoWay Valve Testing 11−140