Honda Fit manuals

Honda Fit: Three Way Catalytic Converter

The three way catalytic converter contains 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 Honda 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 combustible materials that come near it. Park your vehicle away from high grass, dry leaves, or other flammables.

A defective three way catalytic converter contributes to air pollution, and can


A defective three way catalytic converter contributes to air pollution, and can impair your engine’s performance.

Follow these guidelines to protect your vehicle’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 well maintained.

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

See also:

Fuel Recommendation
Your vehicle is designed to operate on unleaded gasoline with a pump octane number of 87 or higher. Use of a lower octane gasoline can cause a persistent, heavy metallic rapping noise that can lea ...

Carpet Replacement
Special Tools Required KTC Trim Tool Set SOJATP2014 *Available through the Honda Tool and Equipment Program; call 888-424-6857 SRS components are located in this area. Review the SRS c ...

Rear Axle Beam Replacement
Raise and support the vehicle. Remove the rear wheels. Remove the rear hub bearing unit. Remove the parking brake cable bracket (left side) (A), the b ...

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