Acura Integra Catalytic Converters: Everything You Need to Know

Acura Integra Catalytic Converters: The Acura Integra is a sporty compact car from 1986 to 2001. All Integra models came equipped with 4-cylinder engines and a single main catalytic converter.

Direct-fit replacement Acura Integra Catalytic Converters are available from aftermarket brands like Bosal, Eastern Catalytic, and Walker. Proper inlet/outlet size and oxygen sensor ports must match the OEM converter. CARB compliance is required in California.

Specific Details on Acura Integra Catalytic Converters

Compatible Replacement Converters:

  • Bosal Converter – Part #44340
  • Walker Ultra Converter – Part #58597
  • Eastern Catalytic Converter – Part #31578

Troubleshooting Tips for Acura Integra Catalytic Converters:

Here are some useful troubleshooting tips for diagnosing issues with the Integra catalytic converter:

  • Check for P0420 or P0430 codes indicating converter failure using an OBD2 scanner.
  • Listen for rattling noises from the exhaust that could signal internal damage.
  • Look for signs of a clogged converter, like reduced power and acceleration.
  • Inspect upstream and downstream oxygen sensors for any performance problems.
  • Do a visual inspection of the converter for external damage, cracks, or holes.
  • Check for exhaust leaks allowing oxygen to reach the catalyst.
  • Use a Catalytic Converter Cleaner to clean the Catalytic converter

Diagnosing Acura Integra Converter Problems

  • Use an OBD2 scanner to retrieve any codes related to the catalytic converter.
  • Look for symptoms like lack of power, increased fuel usage, and metallic rattling.
  • Perform a visual inspection for any exterior damage or corrosion.

Read More: Acura ILX Catalytic Converters

Step-by-Step Acura Integra Catalytic Converter Installation

  • Disconnect the battery and raise the vehicle safely on jack stands.
  • Spray penetrating oil on the converter mounting nuts to loosen them.
  • Detach the oxygen sensor wiring and any bracket bolts.
  • Unbolt the converter from the exhaust system while retaining the hardware.
  • Install a new exhaust gasket on the outlet flange.
  • Maneuver the new converter in place and hand-tighten nuts and bolts first.
  • Reconnect oxygen sensors properly to the new converter.
  • Use a torque wrench to tighten all fasteners to spec.
  • Reconnect the battery, start the engine, and test for leaks.

Read More: Acura CL Catalytic Converters

Installation Tips for Acura Integra Catalytic Converters

  • Use a direct-fit Integra converter, not a generic converter.
  • Always install new exhaust inlet and outlet gaskets when replacing the converter.
  • Hand tightens the mounting nuts and bolts before torquing to spec with a wrench.
  • Ensure the oxygen sensors reconnect properly to the new converter.
  • Verify all brackets, hangers, and wiring are securely reattached after installation.
  • After installing the converter, start the engine and test for leaks. Tighten any loose connections.
  • Clear any check engine codes before road testing the Integra.
  • Use proper jacking and support when working underneath. Allow the exhaust system to cool fully first.

Read More: Acura EL Catalytic Converters

How to Replace the Catalytic Converter on an Acura Integra

Positioning of the Acura Integra Catalytic Converter:

  • Install the new converter in the same location as the original between the manifold and mid-pipe. This maintains proper exhaust flow.
  • Bolt the Integra converter to the existing rubber mounts using new hardware.

Exhaust Seals:

  • Replace the exhaust inlet and outlet gaskets to prevent leaks. Also, apply high-temp silicone sealant.
  • Proper seals prevent oxygen from reaching the catalyst and disrupting chemical reactions.

Oxygen Sensors:

The Integra oxygen sensors must be positioned correctly when transferring them to the new converter to maintain proper fuel trim.

Inspect Other Components:

Inspect the rest of the exhaust system when replacing the Integra converter. Look for any issues that may have caused the failure.

Post-Installation Check:

After installing the new Integra converter, clear any codes and test drive to verify normal operation. Monitor for any new issues.

FAQs About Acura Integra Catalytic Converters

What is a catalytic converter, and why is it essential in my Acura Integra? 

A catalytic converter is an essential emissions control device in your Acura Integra that helps reduce harmful pollutants. It converts harmful gases like carbon monoxide, nitrogen oxides, and hydrocarbons into less harmful emissions.

What are the symptoms of a clogged catalytic converter in my Acura Integra? 

Common symptoms include:

  • Reduced engine performance.
  • Poor fuel efficiency.
  • A sulfur-like odor from the exhaust.
  • A check engine light on the dashboard.

How can I clean Acura Integra’s catalytic converter to improve its performance?

 Use a catalytic converter cleaner designed for your vehicle’s make and model. Follow the manufacturer’s instructions carefully to ensure proper cleaning.

What is the typical lifespan of a catalytic converter in an Acura Integra? 

A well-maintained catalytic converter can last between 100,000 and 150,000 miles, but this can vary depending on driving conditions and maintenance practices.

What is the average price of a replacement catalytic converter for an Acura Integra? 

The price of a replacement catalytic converter for an Acura Integra can vary widely depending on the year, model, and whether it’s an OEM or aftermarket part. Expect to pay anywhere from $100 to $1,000 or more.

Can I sell my old Acura Integra catalytic converter as scrap? 

Yes, you can sell your old catalytic converter as scrap. Many recycling centers and scrap yards accept catalytic converters and may offer prices based on the precious metals inside.

What factors influence the scrap price of an Acura Integra catalytic converter? 

The scrap price of a catalytic converter is influenced by the type of metals it contains, such as platinum, palladium, and rhodium. Market demand for these metals also plays a significant role.

Are there any legal regulations regarding catalytic converters in my Acura Integra? 

Yes, there are regulations governing catalytic converters to reduce emissions. Ensuring that any replacement catalytic converter you install complies with local emissions standards is essential.

Where can I find the best cleaner for Acura Integra’s catalytic converter? 

You can find suitable catalytic converter cleaners at auto parts stores, online retailers, and authorized Acura dealerships. Look for products compatible with your specific Integra model.

Can a damaged catalytic converter affect the overall performance of my Acura Integra? 

A damaged or malfunctioning catalytic converter can reduce engine performance, increase emissions, and harm your vehicle’s overall performance. It’s crucial to address any issues promptly.

I am Nicolas, an automobile engineer with over 5 years of experience in exhaust systems and catalytic converters. I am passionate about learning and understanding how things work, and I am always looking for new ways to improve the performance and efficiency of automotive exhaust systems.

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