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BBB Rating


We work hard everyday to be The Best Auto Repair Shop in Mesa, AZ, and we have a A+ BBB Rating to back it up.



Find a better price? Tell us and we will try to meet or beat it! Just be sure to bring in a quote from a local shop and we'll see what we can do.



Whether OEM or after market you can rest assured that we only install quality replacement parts.
Quality auto part in Mesa, Arizon

Free Automotive AC Inspection

summer heat

Don't get stuck in the summer heat with no AC

Don't wait till it's too late!

When temperatures rise, there's nothing more refreshing than climbing into a cool, air-conditioned car. Our Free A/C Inspection will help insure you and your family stay cool this summer. Professionally done by ASE certified technicians able to diagnose and repair many components in your air conditioning system including the A/C compressor, condenser, blower motor, relays, cooling fans.

Our Free A/C Inspections includes:

  • Visual inspection of air conditioner components by a professional technician
  • Outlet temperature analysis designed to determine cooling performance
  • Check system pressure readings
  • Recommendations of correct diagnostic service to troubleshoot area(s) of concern



(480) 985-2435

For Service You Can Count On

Fuel Injection Service

auto fuel injectors

Why Do Preventive Maintenance

A properly maintained vehicle will operate more efficiently, be more dependable, last longer, and ensure a safer ride for you and your family. Your owner's manual out-lines detailed maintenance schedules that should be performed on all your vehicle's components and systems. These maintenance schedules are mileage driven.

Why Do We Need Fuel Injection Service?

From the first time your engine is started, dirt, carbon deposits and varnishes are formed in your vehicle's fuel systems, on the intake valves, and in the combustion chamber areas. To prevent buildup in your fuel system, check your owner's manual for recommended service intervals and have your fuel system cleaned by a professional service center. Here are some symptoms that are caused by carbon buildup:

  • Engine pinging.
  • Poor acceleration.
  • Hesitation or lurching.
  • Lack of or poor performance.
  • Repeated stalling.
  • Rough idle.
  • Poor fuel mileage.

A fuel carbon cleaning system process by us will remove carbon deposits from your vehicle's fuel system, injectors, intake valves, and combustion chamber. This cleaning process will not damage your vehicle's fuel system or engine components. A typical fuel injection service will include the following procedures:

  • Clean fuel injectors.
  • Clean throttle body air intake.
  • Inspect fuel lines and fuel rail.
  • Pressure test fuel pump and system.
  • Inspect pressure regulator, vacuum line, and all connections.
  • Decarbonize intake manifold, intake, and exhaust valves.
  • Decarbonize combustion chamber and pistons.
  • Run an exhaust emissions test.

The benefits of Fuel-Injection Service

  • Saves you money - improves fuel mileage and heads off costly repairs.
  • Reduces the risk of breakdowns.
  • Contributes to the overall performance of your vehicle.
  • Reduces air pollution.
  • Increases safety and dependability.
  • Prevents you from voiding your warranty.


  • You have an auto problem? - GO TO A.J. (PERIOD!)

    AJ was very honest and spot on!- he told me brakes when AAMCO said differential rebuild. AJ fixed it!
    John D. Holton
  • Simply the best!

    After moving to Phoenix from Massachusetts I was concerned that I would have a tough time finding a good mechanic. Fortunately yahoo user reviews pointed me to McKay auto. I have always felt that AJ has charged me a fair price and unlike other shops he doesn't try to sell you things you don't need. This business practice will keep me coming back as well sending others his way. Even though his shop is a distance from where I live I will still make the drive in order to ensure my car get's taken care of. A plus is he has a Toyota certified mechanic on site so I knew my Lexus would be repaired properly. Thanks AJ.
    Derek S.
  • Someone you can trust

    HONESTY pure and simple. My truck would not start and thought my starter motor or solenoid, ignition switch may be at fault. Had it towed to A J McKay's Auto Repair and it was a simple 25 cent fuse which he replaced at no charge and no charge for the diagnostic of the problem. Many other shops would have 'found something wrong' and charged me an arm and leg to fix a non-existent problem. I will take my two cars and truck to them from here on out. Just outstanding, honest, personal gentlemen that care for and about the customer! In fact, I'm taking my Nissan there tomorrow for some work. These guys are simply outstanding!!!
    Phil D.

Auto Repair in Mesa, AZ


3130 East Main St.
Mesa, AZ 85213

Shop Hours:
8am-6pm Mon-Fri

(480) 985-2435

(480) 854-9294

Email: This email address is being protected from spambots. You need JavaScript enabled to view it.

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100 Satisfaction Guarantee on all auto repairs

Here at McKay Auto Repair we always strive to do the best quality work possible. Customer satisfaction is always our number one priority! All work comes with a 12 month 12,000 mile warranty nationwide.


Auto Repair customer reviews

5 Star RatingAfter moving to Phoenix from Massachusetts I was concerned that I would have a tough time finding a good mechanic. Fortunately yahoo user reviews pointed me to McKay auto. I have always felt that AJ has charged me a fair price and unlike other shops he doesn't try to sell you things you don't need.



ase master mechanic certified logo

All our mechanics are ASE certified professionals. The National Institute for Automotive Service Excellence (ASE) is a professional certification group that certifies professionals in the automotive repair and service industry. It is an independent, non-profit organization created in 1972 to help consumers distinguish between incompetent and competent automotive technicians.


Does your car need a new engine? We sell and install discount replacement engines that will save you a lot of money! Call us today and we will be happy to let you know if we have the engine you're looking for in stock.