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.

They were able to do the work very fast and super friendly and helpful.

James Hanus

I was referred to Art of Maintaince and finally used them. Couldn’t be happier. 1 1/2 in the shop . When I was looking to book a Taxi to go home, they called Lyft and I left within 10 minutes. My van is feels brand new and I didn’t feel raked over the coals like other shops I’ve visited. Took it in and had a diagnostis done and picked the repairs. I actually can’t wait until my next round of service in January and that says alot

John Jurgens

They were super helpful in fixing a flat on my car. Went above and beyond and didn’t charge at the end. Super grateful for their professional service.

Rita Sabler

I brought my 2003 trailblazer in. They got me in right away. Which was awesome because it’s my work truck. They were able to finish up the repair that same day. I really appreciate the professionalism and quality of work.
Thanks guys

dennis

Art of Maintenance is the best! They have serviced my car many times from oil changes all the way to fixing my exhaust manifold and radiator. My 1999 Suzuki used to sound like a tractor and I could not believe how quiet it was after taking it to Art of Maintenance. They also provide very thorough vehicle reports via text message that include pictures and make keeping track of maintenance easy!

Eleora Erikson

Got me on same day and gave me detailed info on diagnosis

Ricardo Huerta

Always fast, courteous and professional. I’ve visited for tire repair several times over three years and have never had anything less than stellar service.

Justin Johnson

ALWAYS do a great job !!!!!!!!!!!

Charley Johnson

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

Nice work

david allen

These guys know what there doing!

Brian Flowers

Excellent, friendly service with super fast turnaround—highly recommend!

Nicholas Williams

*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