2001 Acura RL catalytic converter

Parking

Always use the parking brake when
you park your car. The indicator on the instrument panel shows that the
parking brake is not fully released; itdoes not indicate that the parking
brake is firmly set. Make sure the
parking brake is set firmly or your car may roll if it is parked on an

incline.

Set the parking brake before you put
the transmission in Park. This keeps
the car from moving and putting pressure on the parking mechanism
in the transmission — making it
easier to move the shift lever out of
Park when you want to drive away. If the car is facing uphill, turn the
front wheels away from the curb.
If the car is facing downhill, turn the
front wheels toward the curb.
Make sure the parking brake is fully
released before driving away.
Driving with the parking brake
partially set can overheat or damage the rear brakes. Parking Tips Make sure the moonroof and the
windows are closed.
Turn off the lights.Place any packages, valuables, etc.,
in the trunk or take them with you.
Lock the doors with the key or the
remote transmitter. Check the
indicator on the driver's door to
verify that the security system is set.
Never park over dry leaves, tall
grass, or other flammable
materials. The three way catalytic converter gets very hot, and could
cause these materials to catch on

fire.

Driving

Technical Information

The diagrams in this section give

you the dimensions and capacities of

your Acura, and the locations of the
identification numbers. It also

includes information you should

know about your vehicle's tires and
emissions control systems.
Identification Numbers................. 300
Specifications................................. 302

DOT Tire Quality Grading
(U.S. Cars).............................. 304

Treadwear.................................. 304

Traction.......................................304

Temperature.............................. 305
Oxygenated Fuels.......................... 306

Driving in Foreign Countries....... 307
Emissions Controls........................ 308
The Clean Air Act...................... 308Crankcase Emissions Control
System.....................................308

Evaporative Emissions Control
System..................................... 308

Onboard Refueling Vapor Recovery................................. 308
Exhaust Emissions Controls.... 309 PGM-FI System..................... 309
Ignition Timing Control
System.................................309

Exhaust Gas Recirculation (EGR) System.................... 309
Three Way Catalytic
Converter............................309

Replacement Parts..................... 309
Three Way Catalytic Converter... 310 State Emissions Testing............... 311

Technical Information

Driving in Foreign Countries

Technical Information

If you are planning to take your
Acura outside the U.S. or Canada, contact the tourist bureaus in the
areas you will be traveling in to find
out about the availability of unleaded
gasoline with the proper octane
rating.

If unleaded gasoline is not available,
be aware that using leaded gasoline
in your Acura will affect perfor-
mance and fuel mileage, and damage
its emissions controls. It will no
longer comply with U.S. and Canadian emissions regulations, and
will be illegal to operate in North
America. To bring your car back into compliance will require the replace-
ment of several components, such as
the oxygen sensors and the three
way catalytic converter. These re- placements are not covered under
warranty.

Emissions Controls

Exhaust Emissions Controls
The exhaust emissions controls include four 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 from the crankcase and
evaporative emissions control
systems.

PGM-FI System

The PGM-FI System uses sequential multiport fuel 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 fuel to inject under all operat-
ing conditions. Ignition Timing Control System
This system constantly adjusts the ignition timing, reducing the amount
of HC, CO and NOx produced.
Exhaust Gas Recirculation (EGR)

System

The Exhaust Gas Recirculation (EGR) system takes some of the
exhaust gas and routes it back into
the intake manifold. Adding exhaust
gas to the air/fuel mixture reduces
the amount of NOx produced when
the fuel is burned.
Three Way Catalytic Converter
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 (CO2), dinitrogen (N2), and water vapor. Replacement Parts
The emissions control systems are designed and certified 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 newGenuine Acura replacement parts or
their equivalent for repairs. Using
lower quality parts may increase the emissions from your car.

Technical Information

Three Way Catalytic Converter
The three way catalytic convertercontains precious metals that serve
as catalysts, promoting chemical
reactions to convert the exhaust
gasses without affecting the metals.
The catalytic converter is referred to as a three-way catalyst, since it acts
on HC, CO, and NOx. A replacement
unit must be an original Acura part
or its equivalent.
The three way catalytic converter must operate at a high temperature
for the chemical reactions to take
place. It can set on fire any com-
bustible materials that come near it. Park your car away from high grass,
dry leaves, or other flammables. A defective three way catalytic
converter contributes to air pollution,
and can impair your engine's per-
formance. Follow these guidelines to protect your car's three way catalytic
converter.
Always use unleaded gasoline.Even a small amount of leaded
gasoline can contaminate the catalyst metals, making the three
way catalytic converter ineffective. Keep the engine tuned-up. Have your car diagnosed and
repaired if it is misfiring, back-
firing, stalling, or otherwise not

running properly.

Technical Information
THREE WAY CATALYTIC CONVERTER

Index

SRS, Additional Information........... 43 Additional Safety Precautions.... 48
Automatic Seal Belt
Tensioners...................................41

How the SRS indicator Works... 46

How Your Airbags Work...... 43, 45

SRS Components......................... 43

SRS

Service.................................. .
48

SRS Indicator.............................. 46, 55
START (Ignition Key Position)..... 80 Starting the Engine........................ 181 In Cold Weather at HighAltitude................................... 181
With a Dead Battery................. 280
State Emissions Testing........... 311

Steam Coming from Engine......... 283
Steering Wheel Adjustments................................. 71

Anti-theft Column Lock.............. 80
Position Memory....................... 101

Stereo Sound System .................... 136

Storing Your Car............................ 261

Sun Visor......................................... 114

Sunglasses Holder......................... 114
Supplemental Restraint

System............................. 9, 43, 45

Service Precautions..................... 48

Servicing....................................... 48

SRS Indicator.......................... 46, 55

System Components.................... 43

Tensioners, Seat Belts................ 41

Synthetic Oil................................... 218

Tachometer...................................... 58

Taillights, Changing Bulbs in....... 256
Taking Care of the Unexpected ..271

Tape Player............................ 141, 156

Technical Descriptions DOT Tire Quality Grading....... 304
Emissions Control Systems...... 308

Oxygenated Fuels...................... 306

Three Way Catalytic
Converter................................ 310
Temperature Gauge........................ 60
Tensioners, Seat

Belts................... .... 41

Tether Anchorage Points............... 39
Theft Deterrent System................ 165
Theft Protection............................. 164 Three Way Catalytic Converter... 310
Time, Setting the........................... 109

Timing Belt..................................... 243

Tire Chains..................................... 249
Tire, How to Change a Flat.......... 273

Tires................................................ 243

Air Pressure............................... 244Balancing.................................... 246
Checking Wear.......................... 245

Compact Spare........................... 272

DOT Tire Quality Grading....... 304

Inflation....................................... 243

Inspection................................... 245

Maintenance............................... 246

Replacing.................................... 247

Rotating....................................... 246

Snow............................................ 249

Specifications............................. 303

Tools,Tire Changing.................... 273

Tom Seat Belts................................ 42

Towing
A Trailer...................................... 196

By Emergency Wrecker ...........296

Transmission Checking Fluid Level,Automatic............................... 228