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:

    Dashboard Center Vent Removal / Installation
    Special Tools Required KTC Trim Tool Set SOJATP2014* *Available through the Honda Tool and Equipment Program; call 888-424-6857 With Navigation Sf stem NOTE: - Take care not to scratch the dashb ...

    Blower Unit Removal/Installation
    1. Remove the glove box (see page 20-174). 2. Remove the passenger's undercover (see page 20-170). 3. Remove the right kick panel (see page 20-107). 4. Remove the dust and pollen filter asse ...

    PCV Valve Replacement
    1. Disconnect the PCV hose. 2. Remove the PCV valve (A). 3. Install the parts in the reverse order of removal with a new washer (B). ...