Catalytic Converter Repair in Beaverton, OR

Catalytic Converter Repair Shop in Beaverton, Oregon and the Surrounding Areas

Reviewed by Jeff Nootenboom, Owner · Updated October 8, 2026

Catalytic Converter Repair

Catalytic converter repair starts with finding out why the check engine light is on. We scan for trouble codes, inspect the exhaust for damage or theft, and test whether the converter is clogged. If it needs replacing, you get a written estimate with OEM and aftermarket options before any work starts.

Who repairs catalytic converters in Beaverton?

MotorCar Doctors Auto Repair, at 13203 SW Canyon Rd, Ste C, Beaverton, Oregon 97005, repairs and replaces catalytic converters on all makes and models. That includes converters that have failed and converters that have been stolen. You get clear, written pricing before we start.

The catalytic converter is a critical component of your vehicle’s emissions system, designed to reduce harmful pollutants. When it fails, the consequences ripple through your vehicle, affecting engine performance, fuel efficiency, and emissions compliance. A failed catalytic converter can also trigger your check engine light. If yours is on, we can tell you what it means and what the repair involves.

What happens when a catalytic converter fails?

Fuel economy drops, the engine loses power, and the car can fail its emissions test. The catalytic converter is part of your vehicle’s emissions system. It converts harmful pollutants into less toxic substances. Left alone, a failing converter can also damage oxygen sensors and other exhaust parts.

Why do thieves steal catalytic converters?

For the precious metals inside them: platinum, palladium and rhodium. Catalytic converter theft has become a growing concern in the Beaverton area. Vehicles like the Toyota Prius, Honda CR-V, and Ford trucks are particularly vulnerable due to their design and the high value of their converters. Thieves can remove a catalytic converter in less than two minutes, often leaving the owner with a very loud car that is hard to drive.

If your converter is stolen, we streamline the repair by working directly with your insurance company, documenting the damage, and sourcing replacement parts quickly.

What are my options when replacing a catalytic converter?

You choose between OEM and aftermarket converters. Your written estimate spells out the choice we recommend and why.

Should I buy an OEM or aftermarket catalytic converter?

It depends on your car’s age, your budget and how long you plan to keep it. OEM (Original Equipment Manufacturer) converters match the original part. Aftermarket converters cost less, and quality varies by maker.

  • OEM Converters: These are designed to match your vehicle’s original specifications, offering optimal performance and durability. They are made with precise precious metal content to ensure maximum efficiency in reducing emissions. However, they come with a higher price tag due to their quality and manufacturer branding.
  • Aftermarket Converters: These can meet EPA standards at a lower cost, though quality varies. Reputable manufacturers produce converters that meet or exceed emissions standards, but some lower-quality options may fail prematurely. At MotorCar Doctors, we only source aftermarket parts from trusted manufacturers with proven track records.

We explain both options in detail, helping you make an informed decision based on your vehicle’s age, budget, and long-term ownership plans.

Oregon requires a CARB-approved replacement converter on vehicles certified to California emissions standards, and we install the one your vehicle requires. Our team will guide you through the options, ensuring you choose the best solution for your vehicle.

What can I expect when I bring my car in?

A written estimate before any work starts, a call before anything extra, and a plain-language explanation of the repair.

Will I get a written estimate?

Yes. When you bring your vehicle to our shop, you’ll receive a detailed written estimate that breaks down parts and labor costs. We specify whether we recommend OEM or aftermarket parts and explain the reasoning behind our recommendations. If additional issues arise during the repair process, we contact you for approval before proceeding, so there are no surprise charges.

Our ASE-certified technicians take the time to explain repairs in plain language, ensuring you understand every step. Whether you’re a car enthusiast who wants technical details or someone who simply needs to know what’s wrong and how we’ll fix it, we tailor our communication to your preferences.

Do you stand behind your catalytic converter repairs?

Yes. We stand behind every catalytic converter repair we perform. Our commitment to quality begins with parts selection. We only use components from manufacturers we trust. Our technicians follow proper installation procedures, ensuring your repair is done right the first time. This attention to detail gives you peace of mind and confidence in the longevity of your repair.

How do you diagnose and replace a catalytic converter?

In four steps: diagnostic testing, a written estimate, installation, and testing after the repair.

Step 1: Comprehensive Diagnostic Testing

We begin with thorough diagnostic testing to identify the root cause of the problem. This includes:

  • Computer diagnostic scanning to retrieve trouble codes.
  • Visual inspections to check for physical damage, corrosion, or theft.
  • Backpressure testing to determine if the catalytic converter is clogged or restricted.

Step 2: Detailed Estimate and Options Review

After diagnosing the issue, we prepare a detailed written estimate that outlines your repair options. This includes parts choices (OEM or aftermarket), labor costs, and any additional repairs needed. We give you the time and information you need to make an informed decision without pressure.

Step 3: Professional Installation

Once you approve the repair, our ASE-certified technicians carefully remove the old catalytic converter, inspect related components, and install the new converter following manufacturer specifications. We ensure proper fit, secure connections, and correct sensor placement to optimize performance.

Step 4: Quality Testing and Verification

After installation, we perform comprehensive testing to verify the repair. This includes clearing diagnostic codes, conducting test drives, inspecting for exhaust leaks, and confirming the converter is working correctly. We document all work performed, providing you with detailed records for your vehicle maintenance history.

What catalytic converter problems do you fix?

Stolen converters, failed emissions tests, check engine lights and lost engine performance.

What should I do if my catalytic converter was stolen?

Call us at 503-626-4810. We assess the damage, provide insurance documentation, and source replacement parts quickly.

Can you help if my car failed its emissions test?

Yes. We find the cause of the failure and make the repair. Whether the issue is the catalytic converter or another part, we fix the cause before you go back for a retest.

Does a check engine light mean my catalytic converter is bad?

Not always. A check engine light can point to many issues, from oxygen sensor failures to exhaust leaks. Our diagnostics pinpoint the exact problem, so the repair fixes the actual cause.

Can a bad catalytic converter cause a loss of power?

Yes. A failing catalytic converter can cause reduced power, poor acceleration, and decreased fuel economy. We diagnose and resolve these issues, restoring your vehicle’s performance and efficiency.

How can I make my catalytic converter last longer?

Fix the engine problems that damage it, such as misfires, oil consumption and coolant contamination. Regular maintenance, such as timely spark plug replacement and oil changes, also helps prevent early failure. Very short trips can keep the converter from reaching operating temperature, which can reduce its efficiency over time.

Where can I get catalytic converter repair near Beaverton?

At MotorCar Doctors Auto Repair, 13203 SW Canyon Rd, Ste C, Beaverton, Oregon 97005. The shop is easy to reach from Highway 217 and Highway 26. We serve Beaverton, Tigard, Hillsboro, Aloha, Lake Oswego and surrounding areas.

Why choose MotorCar Doctors for catalytic converter work?

We offer flexible parts options, personal service, and quick turnaround, without compromising on quality. Our goal is to build long-term relationships with our customers.

How do I schedule catalytic converter repair?

Call MotorCar Doctors Auto Repair at 503-626-4810 or visit 13203 SW Canyon Rd, Ste C, Beaverton, Oregon 97005, to schedule your diagnostic appointment.

Frequently Asked Questions about Catalytic Converter Repair

How do I know if my catalytic converter is failing or has been stolen?

A failing catalytic converter typically triggers the check engine light, causes reduced engine performance, decreases fuel efficiency, and may produce a rotten egg smell from the exhaust. If your catalytic converter has been stolen, you’ll immediately notice an extremely loud roaring sound when starting your vehicle, and you may see visible gaps in the exhaust system underneath your car. In theft cases, the vehicle will be difficult or impossible to drive normally due to the noise and exhaust system disruption.
While you can technically drive with a failing catalytic converter for short distances, it’s not recommended as it can cause additional damage to other engine components and oxygen sensors. A completely clogged converter can create dangerous backpressure that damages your engine, while a stolen converter makes the vehicle extremely loud and may expose you to harmful exhaust fumes entering the cabin. Continuing to drive with catalytic converter problems will likely result in more expensive repairs and potential safety hazards.
The most common causes of premature catalytic converter failure include engine misfires that send unburned fuel into the exhaust system, oil or coolant contamination from internal engine leaks, and carbon buildup from excessive short-trip driving. Physical damage from road debris, corrosion from road salt and moisture, and using leaded fuel or fuel additives can also damage the converter’s internal structure. Regular maintenance of your engine, including timely spark plug replacement and addressing oil leaks promptly, can significantly extend your catalytic converter’s lifespan.
A straightforward catalytic converter replacement typically takes between two to four hours, depending on your vehicle’s make and model and the converter’s accessibility. Some vehicles have converters that are easily accessible from underneath, while others require removing heat shields, exhaust components, or even parts of the suspension system. If additional repairs are needed, such as replacing damaged oxygen sensors or repairing exhaust leaks, the process may take longer.
Yes, if the converter was the cause of the failure. A properly installed catalytic converter that is approved for your vehicle’s emissions certification should let your vehicle pass emissions testing. After installation, our technicians clear all diagnostic trouble codes, verify proper operation through test drives, and ensure the new converter is functioning correctly before returning your vehicle. We recommend waiting for the vehicle’s onboard computer to complete its full drive cycle before scheduling an emissions test, which typically requires driving under various conditions for 50-100 miles.