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 have been coming to Art of Maintenance for over 6 years. They have always done excellent work. As a female that doesn’t know anything about car issues I never feel like they are going to take advantage. They explain the repairs so I can understand and let me know the cost upfront. They work with me to prioritize the repairs vs cost. They are great communicators as well. My car is a subaru. And the waiting room always smells really good! Ryan did and awesome job for me today and Kevin is always great!
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!
I have been using this shop for years and have always been really pleased with the service. But last week I had an experience that amazed me. I had an issue with my car, brought it in, the guys did multiple checks and didn’t see anything wrong with it. They didn’t charge me anything, and told me I could come get it. Then a few days later I had another issue, they told me to bring it in right away and looked directly at it. It ended up there was a problem, they said it should be covered under warranty and advised me to call the dealer first. They made me feel super welcome, gave me specific tips and advice on how to speak with the dealer, and even arranged a tow truck to pick my car up. They didn’t charge anything for the time it took in helping me with all this and it really made me feel that they were looking out in my best interest as opposed to making money. It has reinforced once again my trust and commitment to always using this shop!
The guys are the best! Great service.
These guys are super helpful and detailed- much better than the dealer I used to use, my Toyota is getting old, but they are keeping it going – keeping track of and prioritizing the issues to keep me me on the road.
I’ve been going to Art of Maintenance for about a year. It’s a nice clean shop and everyone I have talked to there was great. They seem to be honest – haven’t tried to talk me into anything I didn’t need. I haven’t had anything too major done there – oil change, windshield wiper repair, new brakes. So far so good!
We were stuck out of town on our vacation, and found art of maintenance online , Kevin was very helpful getting us back on the road in a timely manner. Didn’t even charge us for a rain x treatment on our windshield!
Been going here for years. They’ve kept my old Lexus running like new!
Kevin, Ryan and the team at Art of Maintenance are tops!!! I have brought many jobs to them and they have never failed. They’re helpful, informative, affordable and trustworthy! They respect my budget and best of all they have always been on time with their completion dates! I recommend them highly!!!
So I bought an old van (1997) to convert to a camper van and these folks have been great at helping me get this old thing road ready. I have more items to fix as my budget allows and this is where I plan on getting all the repairs done. James and Conner have been particularly nice to have on my side. Thanks guys.
These guys are great! They helped me out a few months ago as I was mid-move to Seattle and my transmission needed rebuilt in my Honda Fit. A quick 3 day turn around, great work, fair pricing with no hidden fees after service, and all around solid customer service! I highly recommend this shop for any car maintenance in the PDX area. They even covered my tow to the shop!
Art of Maintenance had my car fixed quickly and they were very accommodating. They did a great job and I will definitely be bringing my car back in the future.