The exhaust emissions controls
include f our systems: PGM-FI,
Ignition Timing Control, Exhaust
Gas Recirculation and Three Way
Catalytic Converter. These four
systems work together to control the
engine’s combustion and minimize
the amount of HC, CO, and NOx that
comes out the tailpipe. The exhaust
emissions control systems are
separate f rom the crankcase and
evaporative emissions control
systems.
The PGM-FI System uses sequential
multiport f uel injection.
It has three subsystems: Air Intake,
Engine Control, and Fuel Control.
The Powertrain Control Module
(PCM) uses various sensors to
determine how much air is going
into the engine. It then controls how
much f uel to inject under all operat-
ing conditions.This system constantly adjusts the
ignition timing, reducing the amount
of HC, CO and NOx produced.
The Exhaust Gas Recirculation
(EGR) system takes some of the
exhaust gas and routes it back into
the intake manif old. Adding exhaust
gas to the air/f uel mixture reduces
the amount of NOx produced when
the f uel is burned.
The three way catalytic converter is
in the exhaust system. Through
chemical reactions, it converts HC,
CO, and NOx in the engine’s exhaust
to carbon dioxide (CO ), dinitrogen
(N ), and water vapor.
The emissions control systems are
designed and certif ied to work to-
gether in reducing emissions to
levels that comply with the Clean Air
Act. To make sure the emissions
remain low, you should use only new
Genuine Acura replacement parts or
their equivalent f or repairs. Using
lower quality parts may increase the
emissions f rom your car.
2
2
Exhaust Emissions Controls Replacement Parts
PGM-FI Syst emIgnit ion T iming Cont rol Syst em
Exhaust Gas Recirculat ion (EGR)Syst em
Three Way Catalytic Converter
Emissions Cont rols
T echnical Inf ormation319
01/09/28 20:17:12 31SZ3660_322
CONT INUED
...
Accessories and Modif ications .184
................................
Accessories .184
.
Additional Safety Precautions .185
............................
Modif ications .185
ACCESSORY (Ignition Key .......................................
Position) .78
.............
Accessory Power Socket .108
....................
Additives, Engine Oil .228
.........................
Airbag (SRS) .9,43,45
.....................
Air Cleaner Element .241
.................
Air Conditioning Filter .252
..............
Air Conditioning System .114
..............................
Maintenance .251
.................................
Usage .116,121
.......................
Air Outlets (Vents) .114
.......................
Air Pressure, Tires .253
...........................
Alarm, Anti-theft .156
.......................
Alcohol in Gasoline .316
.......
Aluminum Wheels, Cleaning .275
......................................
Antif reeze .231
Anti-lock Brakes (ABS)
...............................
Indicator .56, 199
...................................
Operation .199
..............
Anti-thef t, Audio System . 156Anti-thef t Steering Column
..............................................
Lock .77
..........................
Anti-thef t System .157
..........................
Appearance Care .273
............................................
Armrest .89
.........................................
Ashtrays .110
...............
Audio Controls, Remote . 155
................................
Audio System .128
Automatic Climate Control ........................................
System .114
.........................
Automatic Lighting .64
Automatic Seat Belt ...................................
Tensioners .41
.............
Automatic Speed Control . 158
..............
Automatic Transmission . 192
..........................
Capacity,Fluid .312
...............
Checking Fluid Level . 238
.......................................
Shif ting .192
.
Shif t Lever Position Indicator . 192
................
Shif t Lever Positions . 192
....................
Shif t Lock Release . 195Battery
Charging System ...........................
Indicator .54, 296
............................
Jump Starting .290
..............................
Maintenance .246
............................
Specif ications .313
..............................
Bef ore Driving .177
....................................
Belts,Seat .8,40
...........................
Beverage Holder .104
...................................
Body Repair .280
Brakes ...........
Anti-lock System (ABS) . 198
.............
Break-in, New Linings . 178
....................
Bulb Replacement .266
...........................................
Fluid .239
.......................................
Parking .102
.................
System Indicator . 54,299
........................
Wear Indicators .197
.............................
Braking System .197
........................
Break-in, New Car .198
..
Brightness Control, Instruments . 66
........................
Brights, Headlights .63
Index
A B
I
01/09/28 20:18:43 31SZ3660_334
..........................
Fan, Interior .118,123
Features, Comfort and
..............................
Convenience .113
....................
Filling the Fuel Tank .179
Filters
................................
Air Cleaner .241
.......................
Air Conditioning .252
...............................................
Oil .229
.............
Flashers, Hazard Warning .70
...................
Flat Tire, Changing a .283
Fluids
..........
Automatic Transmission .238
..........................................
Brake .239
................................
Differential .239
..........................
Power Steering .240
..................
Windshield Washer .237
FM Stereo Radio ...........................
Reception .129,139
........................................
Fog Lights .67
.....
Foreign Countries, Driving in .317
..........................
Four-way Flashers .70
..............................
Front Airbags .9,43
.................................................
Fuel .178
......................
Fill Door and Cap .179
...........................................
Gauge .60
................
Octane Requirement .178 ...............................
Oxygenated .316
........................
Reserve Indicator .57
........................
Tank, Filling the .179
..............
Fuel Mileage, Improving .183
.....................
Fuses, Checking the .302
..........................................
Gasohol .316
.........................................
Gasoline .178
...............
Fuel Reserve Indicator .57
...........................................
Gauge .60
................
Octane Requirement .178
........................
Tank, Filling the .179
................
Gas Station Procedures .179
.............................................
Gauges .58
...
Engine Coolant Temperature .60
...............................................
Fuel .60
...............................
Speedometer .58
.................................
Tachometer .58
GAWR (Gross Axle Weight .......................................
Rating) .207
............
Gearshif t Lever Positions . 192
..............................
Glass Cleaning .278
........................................
Glove Box .88 GVWR (Gross Vehicle Weight
.......................................
Rating) .207
.............
Halogen Headlight Bulbs . 262
..............
Hazard Warning Flashers . 70
Headlights ....................
Automatic Lighting .64
............
Daytime Running Lights . 65
..................
High Beam Indicator . 57
....................
Lights On Indicator .55
.........................
Reminder Chime .63
........
Replacing Halogen Bulbs . 262
...................................
Turning on .63
..............................
Head Restraints .88
.....................
Heating and Cooling .114
.............
High Altitude, Starting at . 191
.................
High-Low Beam Switch . 63
..............
High-mount Brake Light . 267
HomeLink Universal ...............................
Transmitter .162
....................................
Hood Latch .241
.......................
Hood, Opening the .180
..................................................
Horn .62
.................................
Hydroplaning .205
Index
G H
IV
01/09/28 20:19:00 31SZ3660_337
...................
Methanol in Gasoline .316
..........................
Mirrors, Adjusting .91
.......................................
Moonroof .100
......................
Closing Manually .300
...................................
Operation .100
...................
Neutral Gear Position .193
..................
New Vehicle Break-in .178
...................
NOTICE, Explanation of .i
...............
Numbers, Identif ication .310
...................
Radiator Overheating .293
...
Radio/Cassette Sound System .128
...........................
Readiness Codes .298
..
Rear Lights, Bulb Replacement .264
..........................
Rear Seat Armrest .90
............................
Rear Ventilation .126
............................
Rear View Mirror .91
.................
Rear Window Def ogger .71
...............
Reclining the Seat Backs .87
.............................
Reminder Lights .53
.......................
Remote Transmitter .79
Replacement Inf ormation
.................
Air Cleaner Element .241
.............
Air Conditioning Filter . 252
..............................
Paint Touch-up .275
..............
Panel Brightness Control . 66
........................
Park Gear Position .193
...........................................
Parking .196
...............................
Parking Brake .106
Parking Brake and Brake .................
System Indicator . 54,299
.................................
Parking Lights .63
..
Parking Over Things that Burn . 320
.............................
PGM-FI System .319
..................
Polishing and Waxing . 275
............
Pre-Drive Saf ety Checklist . 11
.........
Pregnancy, Using Seat Belts . 18............................
Protecting Adults .12
...
Additional Safety Precautions . 19
.....
Advice f or Pregnant Women . 18
........................
Protecting Children .20
.......................
Protecting Inf ants .28
.......
Protecting Larger Children . 35
.........
Protecting Small Children . 32
Using Child Seats with .....................................
Tethers .39
...
Octane Requirement, Gasoline . 178
.........................................
Odometer .59
...............................
Odometer, Trip .59
Oil ........................
Change, How to .229
......................
Change, When to .218
......................
Checking Engine .181
..............
Pressure Indicator . 54,295
Selecting Proper Viscosity ......................................
Chart .228
...........
ON (Ignition Key Position) . 80Onboard Ref ueling Vapor
....................................
Recovery .310
............................................
OnStar .167
.........................
Opening the Trunk .83
..
Operation in Foreign Countries . 317
..............................
Outside Mirrors .91
....
Outside Temperature Indicator . 59
....................
Overheating, Engine .293
.......
Owner Maintenance Checks . 225
.........................
Oxygenated Fuels .316
Index
N
O P
R
VI
01/09/28 20:19:16 31SZ3660_339