Honda Accord: ThreeWay Catalytic Converters - Technical Information - Honda Accord 2008-2012 Owner's ManualHonda Accord: ThreeWay Catalytic Converters

The three way catalytic converters contain precious metals that serve as catalysts, promoting chemical reactions to convert the exhaust gasses without affecting the metals.

The catalytic converters are referred to as three-way catalysts, since they act on HC, CO, and NOx.

Replacement units must be original Honda parts or their equivalent.

The three way catalytic converters must operate at a high temperature for the chemical reactions to take place. They can set on fire any combustible materials that come near them. Park your vehicle away from high grass, dry leaves, or other flammables.

Defective three way catalytic

Defective three way catalytic converters contribute to air pollution, and can impair your engine’s performance. Follow these guidelines to protect your vehicle’s three way catalytic converters.

Always use unleaded gasoline.

Even a small amount of leaded gasoline can contaminate the catalyst metals, making the three way catalytic converters ineffective.

Keep the engine well maintained.

Keep the engine well maintained.

Have your vehicle diagnosed and repaired if it is misfiring, backfiring, stalling, or otherwise not running properly.

    Emissions Controls
    The burning of gasoline in your vehicle’s engine produces several byproducts. Some of these are carbon monoxide (CO), oxides of nitrogen (NOx), and hydrocarbons (HC). Gasoline evaporating fr ...

    Emissions Testing
    Testing of Readiness Codes If you take your vehicle for an emissions test shortly after the battery has been disconnected or gone dead, it may not pass the test. This is because of certain ‘ ...

    See also:

    Power Window Master Switch Replacement
    4-door 1. Carefully remove the power window master switch (A). 2. Disconnect the 37P connector (B) from the power window master switch, and the 13P connector (C) from the power mirror switch (D ...

    Front Seat Slide Motor Replacement
    SRS components are located in this area. Review the SRS component locations, 2-door (see page 24-23), 4-door (see page 24-21) and the precautions and procedures (see page 24-25) before doing repair ...

    What to Do If
    California Proposition 65 Warning WARNING: This product contains or emits chemicals known to the state of California to cause cancer and birth defects or other reproductive harm. Event Dat ...