## Fuel and Emissions

#### (K20A2 engine)

Fuel and Emissions Systems

Special Tools | 11-2
General Troubleshooting Information | 11-3
DTC Troubleshooting Index | 11-6
Symptom Troubleshooting Index | 11-8
System Descriptions | 11-9

PGM-FI System

Component Location Index | 11-53
DTC Troubleshooting | 11-56
MIL Circuit Troubleshooting | 11-77
DLC Circuit Troubleshooting | 11-88
Injector Replacement | 11-90
Primary HO2S Replacement | 11-92
CKP Sensor Replacement | 11-92
ECT Sensor Replacement | 11-93
TDC Sensor Replacement | 11-93
IAT Sensor Replacement | 11-94
Knock Sensor Replacement | 11-94
Secondary HO2S Replacement | 11-95

VTEC/VTC

Component Location Index | 11-96
DTC Troubleshooting | 11-97
VTC Oil Control Solenoid Valve Test | 11-107
VTEC Solenoid Valve Removal/Inspection | 11-108
CMP Sensor Replacement | 11-108

Idle Control System

Component Location Index | 11-109
Idle Speed Adjustment | 11-110

Fuel Supply System

Component Location Index | 11-111
Fuel Pump Circuit Troubleshooting | 11-112
Fuel Pressure Relieving | 11-115
Fuel Pressure Test | 11-115
Fuel Lines Inspection | 11-117
Fuel Tube/Quick-Connect Fittings Precautions | 11-119
Fuel Tube/Quick-Connect Fittings Removal | 11-120
Fuel Tube/Quick-Connect Fittings Installation | 11-121
Fuel Pulsation Damper Replacement | 11-123

Intake Air System

Component Location Index | 11-124
Intake Air Bypass Control Thermal Valve Test | 11-125
Air Cleaner Replacement | 11-126
Air Cleaner Element Replacement | 11-126
Throttle Cable Adjustment | 11-127
Throttle Cable Removal/Installation | 11-128
Throttle Body Removal/Installation | 11-129
Throttle Body Disassembly/Reassembly | 11-130

Catalytic Converter System

Catalytic Converter Inspection | 11-131

PCV System

PCV Valve Inspection and Test | 11-132
PCV Valve Replacement | 11-132

EVAP System

Component Location Index | 11-133

Refer to the '01 Civic Shop Manual P/N 62S5A00, for items not shown in this section.

Outline of Civic (3-door) Model Change

K20A2 engine have been added.

a a a