Warranty

Best in town 5 year/50k mile warranty

Peace of Mind

Roadside 

assistance

Financing

0% interest financing options available

Experts

ASE certified technicians

Save $

Get a dealer alternative estimate on your repair

Shuttle

Free shuttle service while we work on your vehicle

400+ 5 Star Reviews

400+

Reviews

Free Second Opinion Inspection.
100% Price Match Guarantee.

Free Second Opinion Inspection. 100% Price Match Guarantee.

Engine Diagnostics

Engine Diagnostics That Bring Clarity Back to Your Drive

A deeper, smarter look into your engine’s performance so you can drive with confidence and zero guesswork.

Totally responsive and easy to work with. First time interaction was like dealing with an old friend. I’ve found my mechanic.

shootskukui

Totally responsive and easy to work with. First time interaction was like dealing with an old friend. I’ve found my mechanic.

shootskukui

Engine Diagnostic Services

Why Drivers Trust Us With Their Engine Checkups

When something feels “off” under the hood, you shouldn’t have to rely on guesses, vague explanations, or rushed inspections. At Art of Maintenance, we take a slow, thoughtful approach, because real answers require real attention. Our technicians don’t just plug in a scanner and call it a day; they listen to your concerns, study the symptoms, compare data, and dig into the full picture of your vehicle’s performance. Every test, reading, and visual check is done with purpose, giving you clear guidance about what’s happening and what needs to be done next. We blend technical expertise with human-level clarity so you walk away informed, prepared, and never pressured.

With the right Engine Diagnostics, problems are caught early, hidden issues are revealed, and repairs become smarter instead of expensive surprises. It’s all about giving your car the care it deserves.

Schedule An Engine Diagnostics Service Today!

How to Know Your Car Needs a Diagnostic Check

Sometimes your vehicle speaks in subtle clues before anything major goes wrong. A proper Engine Diagnostics appointment helps catch those early signs and prevent something small from becoming a budget-breaking headache. Whether it’s performance changes or warning lights you can’t decipher, an inspection brings everything into focus. Common signs to watch for:

Reasons for this may be a failing fuel pump causing inconsistent fuel delivery, clogged fuel injectors restricting proper combustion, a malfunctioning mass airflow sensor sending incorrect air-intake data to the ECU, ignition coil misfires, turbocharger boost leaks, or intermittent faults detected by the engine control module that trigger temporary limp-mode or timing/air-fuel adjustments.

Common reasons for these issues are persistent fault codes stored in the ECU, a failing sensor (like an oxygen sensor or mass airflow sensor) sending intermittent signals, loose or corroded electrical connections, low fluid levels that temporarily trigger alerts, or a problem that was reset but not fully repaired during diagnostics.

Strange sounds or shaking from the engine can result from problems such as engine misfires due to faulty spark plugs or ignition coils, worn engine or transmission mounts causing excessive vibration, a failing serpentine belt or pulley producing unusual noises, vacuum leaks affecting engine balance, or internal issues like worn bearings or timing components.

This can be caused by issues such as a clogged air filter restricting airflow, failing oxygen sensors causing an incorrect air-fuel mixture, dirty or leaking fuel injectors, low tire pressure increasing engine load, a malfunctioning mass airflow sensor, or a thermostat stuck open preventing the engine from reaching optimal operating temperature.

Experts

ASE certified technicians

Save $

Get a dealer alternative estimate on your repair

Shuttle

Free shuttle service while we work on your vehicle

Service Areas

Trusted Automotive Care in Portland, Oregon

Keeping your car healthy shouldn’t feel complicated, and with our team, it never is. We explain what we find, outline your options, and help you make the best decision for your vehicle’s future.

Swing by Art of Maintenance in Portland, Oregon, anytime you want clarity, confidence, and engine care that’s done with skill and honesty.

Testimonials
Customer Reviews
Real
Experiences.
Real
Results.

I loved everything about my 2005 VW Golf 4-door with a 5-speed manual transmission except for the fact that it was sometimes difficult to shift into first gear from a stop.
Art of Maintenance fixed this quirky shifting problem and replaced the clutch as well since it was needed at 180,000 miles.
Now I really enjoy driving my Golf even more!

Russell Eng

I love this place! Kevin was very up front and explained what all is involved in replacing an engine. They called every time they found something that was better, or wrong and offered me options. They kept me up to date with the progress and even cleaned my truck. They were very patient with me as I tried to make this huge payment with multiple accounts and even stayed after they were closed to go over what to not do, and what to do to maintaine the engine integrity. Thank you art of Maitenance

Terrance Moses

I love these guys. They go out of their way to keep in touch.

Derrick Wheeler

We took our 2013 Chevy Sonic 1.4L, Turbo, to AOM for an inspection of output shaft seal & oil change. We chose them because we volunteer nearby, and they could work on our car while we volunteer. They provided us with an inspection report that included pictures. After reviewing the report and going over the potential charges, we authorized them to complete the recommended services, which included oil change, new spark plugs, brake fluid flush, fuel injection service, output shaft seal replacement, drain and refill manual transmission fluid and replacing all shocks and strut assemblies and rear springs. This cost $2,818.00. We were in a bit of shock at the price, but that being said, this car has never given us a bit of trouble since buying it new, so we decided this money was well spent. We have had all the manufacturer-recommended maintenance done at the dealer all along. A dealer may have charged as much or more. The services performed by AOM were needed as evidenced by the pictures they took during the inspection and during the repairs themselves. Our car is running like new, and the repairs are guaranteed for 5 years, 50,000 miles NATIONWIDE. So, yes, it was expensive and worth it. We feel we got our money’s worth. Thank you, Ryan and Kevin.

mark pettijohn

Obtained a replacement wheel for a wheel that was stolen from one of our cars. Service was quick and friendly and provided accurate detailed estimate before the service was rendered. The replacement wheel was an exact match for the stolen one. The car was thirteen years old.

Paul Fox

Had a great experience at Art of Maintenance. Staff was very friendly and knowledgable and accommodated me the same day. They provide you with a report as well when you get your oil change of any other items you may want to address. That being said, they aren’t trying to upsell you on anything which is much appreciated.

David Williams

Everyone was great and super friendly. I’ve been coming here for 7 years and never had a complaint.

Tyler Leecing

Amazing group. Friendly, fast and very fair. I have used Art of Maintenance for two MAJOR repairs and have been very pleased both times. These guys know what they are doing! The first repair (an air conditioning problem) was looked at by three other shops; none could figure it out. These guys had it figured out and repaired in the same day! My second time (just recently) was diagnosed within hours and complete before noon the next day. My husband reviewed the prices of parts & labor and found they were an excellent. The mechanics listen intently (including all my “it makes this noise” sounds) and make sure they understand the problem before starting. I appreciate the attention to detail and will be using and referring to Art of Maintenance.

Laura Godson

These guys Rule!

matt fett

My ABS light was on for my Mustang I have taken the car to the dealership and they couldn’t figure out what the problem was. I brought my car to the Art of Maintenance and within a couple hours they figured out what the problem was ended up taking out the ABS modular send it out to have it rebuilt. It took less time than they anticipated and I was able to get my car up and running again. Thank you Art of Maintenance

Alvin

Alvin Paxton

I’ve trusted my 1996 Ford Ranger pick up to this shop for the last two years. Very efficient and trustworthy. Work is completed on time and here’s a surprise, every once in a while Art of Maintenance will contact me to make sure my Ranger is performing as it should. Consider them.

David Montgomery

The Art of Maintenance crew was so amazing to work with! This was my first time taking my car to them and they exceeded my expectations. They are friendly, timely and precise with their diagnosis of problems. They gave me a full detailed list of things that look good on my car, things that might need attention and things that are urgent to fix. This was so helpful for me and I never felt any pressure to do work on my car on things that can wait. I will definitely be coming back for my regular maintenance and any car needs! Thank you!

Becca Meierbachtol

400+ 5 Star Reviews

Warranty

Best in town 5 year/50k mile warranty

Peace of Mind

Roadside assistance

Financing

0% interest financing options available

Experts

ASE certified technicians

Save $

Get a dealer alternative estimate on your repair

Shuttle

Free shuttle service while we work on your vehicle