Catalytic Converter: Description and Operation

1994 Acura Integra (GS-R) L4-1797cc 1.8L DOHC (VTEC)SECTION Description and Operation

Three Way Catalytic Converter:





PURPOSE
During engine operation, the Three Way Catalytic Converter converts Carbon Monoxide (CO), Hydrocarbon (HC), and Oxides of Nitrogen (NOx) into water vapor (H2O), Carbon Dioxide (CO2), and Nitrogen (N2).

CONSTRUCTION
A monolythic three-way device that uses catalytic compounds applied to an integrally constructed honeycomb carrier surface in the center of the exhaust pipe.

Converter Efficiency VS. Stoichiometric Fuel/Air Ratio:






RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.