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.

Just had them do some work on my work van and they did a great job .

Rachel Robichaud

Excellent service, if I have more problems this is where I’d go.

Matthew Moore

I can’t say enough amazing things about these guys! I have brought my old s10 pickup to numerous places over the years and this is the ONLY place I will ever go to from here on out. Not only are James, Kevin and the entire team genuinely friendly and professional, they have fixed numerous issues that no one else had been able to diagnose. Not only that but they installed mud flaps and an old bulb for free since it only took them 20 mins, I mean what other shop cares about loyalty this much? Art of Maintenance is by far the best in town. Won’t go anywhere else!

Blake Smith

Kevin did a great job

dud a great job

Harold Lathan

Took my Ford in to have it serviced ,they got me in and out .even vacuumed the truck out and the guys a the counter where very noligable and friendly. Great place will be telling all my friends and family

Patrick Johnson

Kevin and his team at the Art of maintenance were awesome! They made sure I was kept in the loop of what was going on with my car during the repairs. They were very kind and just a great team to work with not to mention they got the repairs done in a timely manner. I will definitely be back next time I need work done and will be referring my friends and family to Kevin. Thanks again everyone!

Feather Coates

They’ve always done quality work on my car. That’s why I keep going back.

Mark Quillin

Came in and to asked some questions Kevin and Conner both answer the questions for me I had them do an inspection on my brake system. The price was right so I went ahead and have them do it and I also got a great warranty three years 36,000 mile nationwide warranty matter fact. I will be back and recommend everyone I know to go see this guys .

Chantz Calhoun

I had excellent service here this past week! Quick, efficient, and kind staff who got my car fixed up in no time when my check engine light unexpectedly came on. Definitely recommend!

Erin Rosett

Fast and friendly service. Thoroughly explained worked that needed and was in fact performed.

Michael Garcie

Very straight forward shop and great value for your money. They fixed my belts and uncovered the issue promptly with one of the bearing being out. I would highly recommend this shop.

Brandon Brown

This place was great. They helped go through every concern with my vehicle inspection and gave great advice on how to proceed. I had a quick, professional, comprehensive, and friendly experience and will absolutely be coming back. Shout-out to James for going over everything with me and Robert for all the hard work.

Ethan Dedrickson

*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.

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