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:

Charging System Indicator
If the charging system indicator comes on brightly when the engine is running, the battery is not being charged. Immediately turn off all electrical accessories. Try not to use other electrically ...

Side Impact Sensor (Second) Replacement
Removal Do the battery terminal disconnection procedure, then wait at least 3 minutes before starting work. Remove the cargo area side trim. Disconnect the side ...

Immobilizer System Description
The vehicle is equipped with a Type VII immobilizer system that disables the vehicle unless a programmed ignition key is used. This system consists of a transponder combined with a keyless transmit ...

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