7812 SE 82nd Ave. Portland, OR 97266 | Monday-Friday 7am-6pm

Saturday by appointment only - pick up & drop off repairs only | (503) 616-5479

8901 NE 117th Ave Vancouver, WA 98662 | Mon-Fri 7:30am-5:30pm | (360) 558-3502

Specialize in Asian Auto Repair Services and OR Emissions in Portland, OR Area

A-1 Automotive has been providing quality auto repair in Portland to drivers of all makes and models of Asian, European and domestic cars, trucks and SUVs for more than 30 years. Our crew of ASE certified technicians have access to the latest diagnostic and repair equipment, ensuring fast and accurate service, every time.


When it is time for car repair or factory auto maintenance in Portland, don't hesitate to call our friendly team to schedule an appointment.

  • Check Engine Light Repair
  • Exhaust & OR Emissions
  • Steering & Suspension
  • Fuel Pump & Injection Repair
  • BG Fuel & Air Induction Service
  • Fleet Vehicle Services
  • DEQ Emission Repair
  • Heat & AC Repair
  • Belts & Hoses
  • Electrical Repair
  • Diesel Services
  • Wheels & Tires

Oregon State Emissions

A-1 Automotive offers expert emissions repair in Portland for any vehicle that has failed its emission testing. Using state of the art diagnostic tools, we can identify the root cause of the failure and get it fixed fast, ensuring your car or truck is safe and legal to drive.


Contact our full service auto shop to schedule an appointment or to learn more about our DEQ emission repair options.

Engine Repair & Diagnostics

Our factory trained engine mechanics in Portland, Oregon have years of experience and access to the latest diagnostic tools that allow us to quickly and correctly identify engine problems. If you notice the check engine light, spot any leaks, experience a drop in MPGs, see increased exhaust smoke or hear strange noises coming from under the hood, don't hesitate to Call A1 Automotive to schedule diagnostics and engine repair in Portland. Our mission is to send you home in a car that is performing great. You can count on us to do this by conducting everything from minor tune up services to complete engine rebuilding.

Asian Auto Repair Services

Our nearby auto shop specializes in Asian auto repair in Portland. Our team cares for all Japanese and Korean vehicles, including those built by Mazda, Nissan, Acura, Honda, Toyota, Subaru, Kia, Hyundai, Infiniti, Genesis, Lexus, Mitsubishi, Scion and others. From factory auto maintenance to complex engine and transmission repair, you can count on our team to properly care for your Import car, truck, van or SUV. Give us a call for an estimate for the cost of Asian auto repair.


A-1 Automotive is a true full service Asian auto repair shop in Portland that is dedicated to providing the highest quality care for you and your car. To request an appointment with our team of professional technicians please give us a call at (503) 616-5479. We look forward to helping you get back on the road fast.

A-1 Automotive - Portland, OR

7812 SE 82nd Ave.
Portland, OR 97266
Mon-Fri 7am-6pm & Sat: 9am-3pm
(503) 616-5479

Auto Repair Services in Oregon Area including Portland, Clackamas, Gladstone, West Linn, Milwaukie, Happy Valley, Sunnyside, Gresham, Damascus & Oregon City

A-1 Automotive Blog

By A-1 Automotive February 24, 2025
At A-1 Automotive, we’re proud members of the Portland small business community. We strive to earn our customers’ total satisfaction by providing top-quality auto repairs and maintenance, friendly service, and fair pricing. No matter how big or small the job, our team will work diligently to complete it to the highest standards. And we’re grateful when our customers offer feedback about their experiences with us. Here’s a look at some of our recent customer reviews. “Got a couple fuel pumps, ignition module and some other preventative maintenance done through these guys and am happy with the work. I am even happier with their responsiveness. Both Bryan and Kory have helped me in a bind on my OSB Ford on multiple occasions. Even taking time out of their day to give me pointers via phone while I am doing a lot of the work myself on this project and learning as I go. Always extremely informative and transparent. These guys are super honest and will be my go to mechanics in the future when needed.” —Kiowa J. “This place was great. Diagnosed the problem and had it fixed in no time. Pricing was very fair.” —Mason B. “Truly professional. All businesses want to make money, but I feel like these guys weren't out to bankrupt me. Got my 4runner serviced here and the Toyota dealership in Clackamas was going to charge me $2,000 for what A-1 did for $550.” —Megan F. “Great service and wonderful business to support. Kory and team are always a joy to see.” —Jason V. “These guys are amazing. This is the best shop I've ever dealt with. Service? Amazing. Cost? Worth every penny and as for the people that work there? Best group of people I've ever dealt with. If you're looking for a place that's really there to help, then look no further, you just found it.” —Tony H. “A-1 has been fantastic for me twice now - friendly people (thank you Brian), quick and quality service. Would recommend to anyone!” —Alicia Auto Repair in Portland, OR When you need auto repair in Portland, OR or Vancouver, WA, visit A-1 Automotive. At our nearby auto shop, our reputable mechanics can expertly handle your vehicle’s repair and maintenance needs. Feel free to give us a call to make an appointment!
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By A-1 Automotive February 24, 2025
At A-1 Automotive, we’re proud members of the Portland small business community. We strive to earn our customers’ total satisfaction by providing top-quality auto repairs and maintenance, friendly service, and fair pricing. No matter how big or small the job, our team will work diligently to complete it to the highest standards. And we’re grateful when our customers offer feedback about their experiences with us. Here’s a look at some of our recent customer reviews. “Got a couple fuel pumps, ignition module and some other preventative maintenance done through these guys and am happy with the work. I am even happier with their responsiveness. Both Bryan and Kory have helped me in a bind on my OSB Ford on multiple occasions. Even taking time out of their day to give me pointers via phone while I am doing a lot of the work myself on this project and learning as I go. Always extremely informative and transparent. These guys are super honest and will be my go to mechanics in the future when needed.” —Kiowa J. “This place was great. Diagnosed the problem and had it fixed in no time. Pricing was very fair.” —Mason B. “Truly professional. All businesses want to make money, but I feel like these guys weren't out to bankrupt me. Got my 4runner serviced here and the Toyota dealership in Clackamas was going to charge me $2,000 for what A-1 did for $550.” —Megan F. “Great service and wonderful business to support. Kory and team are always a joy to see.” —Jason V. “These guys are amazing. This is the best shop I've ever dealt with. Service? Amazing. Cost? Worth every penny and as for the people that work there? Best group of people I've ever dealt with. If you're looking for a place that's really there to help, then look no further, you just found it.” —Tony H. “A-1 has been fantastic for me twice now - friendly people (thank you Brian), quick and quality service. Would recommend to anyone!” —Alicia Auto Repair in Portland, OR When you need auto repair in Portland, OR or Vancouver, WA, visit A-1 Automotive. At our nearby auto shop, our reputable mechanics can expertly handle your vehicle’s repair and maintenance needs. Feel free to give us a call to make an appointment!
By A-1 Automotive January 28, 2025
Few things are more frustrating than turning the key, only to find your car refuses to start. While this situation can feel maddening, understanding the common reasons behind it can help you explain the problem to the mechanic. At A-1 Automotive, our local mechanics are experts at identifying and fixing issues that prevent engines from firing up. Here are five common causes of no-start. Failing Starter Motor The starter motor is responsible for engaging the engine when you turn the key. If the starter motor fails, your engine won’t crank. Common signs of a faulty starter include a single clicking noise or complete silence when you attempt to start the car. Dead Battery A dead battery is one of the most common reasons for a car not starting. Batteries lose their charge over time or may drain due to lights or accessories being left on. Extreme weather conditions, particularly cold temperatures, can also weaken a battery. If you hear a clicking noise or get no response when you try to start the car, there’s a good chance that the battery is the culprit. Ignition System Problems The ignition system includes components like spark plugs, ignition coils, and the ignition switch. If any of these parts are damaged or worn out, your car may fail to start. Symptoms of ignition system issues can include engine misfires, rough idling, or difficulty starting the car. Regular maintenance can help prevent these problems. Faulty Fuel Pump The fuel pump delivers fuel from the tank to the engine. When the pump malfunctions, your engine won’t receive the necessary fuel to start or run. Signs of a failing fuel pump include sputtering and reduced power. Bad Alternator The alternator charges the battery and powers electrical components while the engine is running. If the alternator fails, the battery will quickly drain, leaving your car unable to start. Signs of a failing alternator include dim lights and electrical accessory malfunctions. Replacing the alternator is crucial to prevent further electrical issues. Auto Repair in Portland, OR When you need auto repair in Portland or Vancouver, WA, visit A-1 Automotive. At our local auto shop, we can expertly handle your vehicle’s repair and maintenance needs. Feel free to give us a call to make an appointment!
By A-1 Automotive December 20, 2024
Transmission fluid is essential for the smooth operation of your vehicle's transmission system, enabling proper lubrication, cooling, and fluid pressure for gear shifts. When a leak occurs, it can lead to serious damage if left unaddressed. At A-1 Automotive, we provide expert transmission fluid leak repair in the greater Portland area. Here are four warning signs of a transmission fluid leak. Puddles of Fluid Under the Vehicle One of the most obvious signs of a transmission fluid leak is the presence of fluid pooling underneath your vehicle. Transmission fluid is typically reddish in color, although it may appear brown if it’s old or degraded. If you notice a fluid puddle after your car has been parked, it’s important to identify whether the source is the transmission or another system. Promptly addressing the issue can prevent further complications. Low Transmission Fluid Levels A sudden drop in transmission fluid levels is a clear sign of a leak. If you need to top off the fluid frequently, it’s a strong indication that there’s a leak somewhere in the system. Fluid leaks often form due to issues like faulty pan gaskets and damaged transmission lines. Difficulty Shifting Gears A leak in the transmission system can result in insufficient fluid, leading to difficulties when shifting gears. You may notice hesitation, rough shifts, or even an inability to engage certain gears. These symptoms occur because the transmission lacks the necessary pressure and lubrication to function properly. Ignoring these issues can lead to more severe transmission damage. Burning Smell While Driving A burning smell while driving could indicate that transmission fluid is leaking onto hot engine or transmission components. This is often accompanied by low fluid levels, which cause the remaining fluid to overheat due to increased friction. If you detect a burning odor, it’s crucial to investigate the source immediately, as overheating can severely damage internal transmission parts. Transmission Repair in Portland, OR When you need auto repair in Portland, OR or Vancouver, WA, visit A-1 Automotive. At our nearby auto shop, we can expertly handle your car’s repair and maintenance needs. Feel free to give us a call to schedule an appointment!
By A-1 Automotive November 22, 2024
While the check engine light can indicate minor issues, it might also be alerting you to serious problems. Ignoring this light can lead to more extensive (and expensive) repairs, making it important to visit the shop ASAP. At A-1 Automotive, our local mechanics provide expert check engine light diagnostics and repair in the greater Portland, OR area. Here are five common reasons your check engine light might turn on. Failing Oxygen Sensor Oxygen sensors measure how much oxygen is unburned in the exhaust and helps regulate the air-fuel mixture. A malfunctioning sensor can cause poor fuel-economy, increased emissions, and potential problems with your catalytic converter. Replacing it promptly is essential to avoid additional problems. Malfunctioning Catalytic Converter The catalytic converter reduces harmful emissions by converting harmful gasses into less harmful substances. As the miles add up, it can become clogged or damaged. A failing catalytic converter can lead to poor performance, so addressing this issue is critical. Failing Spark Plugs or Ignition Coils Spark plugs and ignition coils are key components of your engine’s combustion process. If they’re worn out or failing, your engine might misfire, lose power, or run inefficiently. It’s important to replace spark plugs as called for in your vehicle’s maintenance plan. Loose or Damaged Gas Cap A simple yet often overlooked issue is a loose, cracked, or missing gas cap. The gas cap is what seals the fuel system. If it’s not secured properly, it can allow fuel to evaporate before you get the chance to run on it, as well as trigger the check engine light. Mass Airflow Sensor Issues The mass airflow (MAF) sensor monitors the amount of air entering the engine to ensure proper fuel delivery. If it’s malfunctioning, it can lead to rough idling, poor acceleration, and reduced fuel-economy. Check Engine Light Repair in Portland, OR For top-quality auto repair in Portland, OR, or Vancouver, WA, visit A-1 Automotive. At our local auto shop, our highly-rated mechanics can expertly handle your vehicle’s repair and maintenance needs. Feel free to give us a call to schedule an appointment!
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