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.
They had my car done in a day. They were professional and even helped me finance the repairs when I didn’t have enough funds to cover all the costs. I will be using Art of Maintenance for any future repairs and preventative maintenance. Kevin was professional and kind.
My experience was wonderful. Precise information, clear cost estimates and great personal service. Any future repairs will be with Art of Maintenance.
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.
They got me in the same day and fixedy alternator to thank you
These folks are the most professional, fair, and genuine mechanics in Portland. Would not trust my truck with anyone else.
We got a flat and they put the spare on for no cost. They told us that they were unable to source the tire we needed same day and that it would be cheaper to go to CostCo! They were so sweet and helpful. Very trustworthy.
In October, just after I got a “new” used car, they ran a diagnostic on my SUV, contacted my after market warranty people, ordered the transfer case, did the repairs and checked on their work after I had it back a few weeks! Kevin and James answered all of my questions (which was a lot) so I could understand and were patient with my calling for updates.
They were honest- right on budget – and I would definitely recommend them to family and friends! 🙂
Will also use them again for future repairs!
Beth Spence
Got me on same day and gave me detailed info on diagnosis
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 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
Excellent, friendly service with super fast turnaround—highly recommend!
External struggles made it hard for me to pick up and drop off my car, but they were incredibly patient and worked with me. Services were quick and efficient, with an itemized list of results from the check-in on my car (complete with pictures) and each service was completed very quickly compared to previous mechanics I have worked with. Will absolutely be coming back again for my next tune-up!
*Rates from 0%-36% APR. Payment options through Affirm are subject to an eligibility check, may not be available in all states, and are provided by these lending partners: affirm.com/lenders. Options depend on your purchase amount, and a down payment may be required. CA residents: Loans by Affirm Loan Services, LLC are made or arranged pursuant to a California Finance Lenders Law license.
