Best in town 5 year/50k mile warranty
Roadside
assistance
0% interest financing options available
ASE certified technicians
Get a dealer alternative estimate on your repair
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.
Totally responsive and easy to work with. First time interaction was like dealing with an old friend. I’ve found my mechanic.
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:
Sudden dips in power
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.
The dashboard light that keeps reappearing
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
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.
Fuel efficiency dropping without explanation
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.
ASE certified technicians
Get a dealer alternative estimate on your repair
Free shuttle service while we work on your vehicle
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.
Experiences.
Real
Results.
I’ve been going here for years for electrical problems for my cars. There the place I recommend everyone for anything electrical but I purchased a new car the other day right down the street from them and they were willing to squeeze me in for a pre purchase inspection. Even though they were down one mechanic.
Awesome and honest
Got me on same day and gave me detailed info on diagnosis
After someone punched a hole in my gas tank over the holidays, Kevin and the team at Art of Maintenance helped me out. They were very professional and managed to replace the gas tank and return my truck to me the same day! I was not expecting such a quick turnaround, but it made the whole situation a little bit better.
I’ll absolutely go back to Art of Maintenance for other repairs.
This place. Help me when i was in a pickle and fix my car so i could make it to work on time. Thanks Kevin and team
Got me in and out quick! Great shop!
Very helpful employees. Took my car in to have tires checked. They were understanding and quick on a busy day. I will be back again! Thanks, AoM!!
We went to AOM for what we thought was a power steering problem on our 2006 Toyota 4Runner. That’s what they diagnosed and replaced the rack and pinion. What we didn’t expect was that, on picking up the vehicle, the rear wiper would not work and it had since we bought the car last year. Returned it to Kevin who was able to re-program the wiper relay. Now the front end is quiet and the rear window can have rain cleared off. Thanks, guys.
Great service.
Had my jeep die and the got it in and iut the same day in time for me to go to wotk , great guys
* 2nd UPDATE read below*
Art of Maintenance is the best! this place is convenient, friendly, and down right reasonable for me. This review is a bit late, but I visited in the summer of 2018. I got recommended to visit after my tire flattened with a nail and my cigarette lighter blew out. The crew squeezed my car in and immediately worked on it (I should mention it wasn’t too busy). I got my car back after a couple of hours with a perfect patched tire and fixed burned out fuse. Amazing! They were quick, responsive, and again FRIENDLY. I unfortunately forgot the gentlemen who helped me at the front counter. You guys rock! I am hoping to come check my car in sometime, but just wanted to show my appreciation for the help!
– UPDATE**CHECKED MY CAR**
Got my car checked a few months later and customer service is great but they are like other places where they check for everything (which could be good) and try to get you to spend a lot of money to change parts and even major vehicle components. Basically went there for a checkup and emphasized I wanted an oil change. Ended up spending $100 with a list of things wrong and how I will need to spend thousands to fix my car. The part that got me down was the fact I didn’t get an oil change lol IF ONLY THERE WAS A SHOP THAT WAS ABLE TO BALANCE BETWEEN THINGS YOU “SHOULD” and “HAVE” TO GET. But hey it’s a business so you gotta be like that sometimes. I might go back if my car ever needs those changes. Again they are nice people tho!
Kevin at the Art of Maintenance is the best. He always looks to save you money and still give you top quality service. They have always done a great job for me and my family. I have recommended them to several friends and I will continue to recommend them.
