About ADS

Automotive Diagnostic Specialties

When your dreaded “check engine” light turns on, or your vehicle encounters a problem, Automotive Diagnostic Specialties (ADS) has a staff of ASE-certified technicians with more than 125 years of combined experience using automotive diagnostic equipment to help properly diagnose and repair it. As a full-service auto repair shop we’ll provide you with a detailed inspection/evaluation, our recommended repairs and estimate to complete the work. You’ll always know exactly the problem and solution, without any surprises. Our expert technicians can then conduct the necessary repairs to get you back on the road quickly. 

Proudly serving customers in the Chandler, Ahwatukee, Gilbert, Tempe, Sun Lakes, Guadalupe, and Phoenix area since 1995, we offer the best upgrades, repairs, and maintenance services you’ll find.

We service cars, trucks, SUVs, and high-performance vehicles, as well as large motorhomes (RVs), diesels, and alternative fuel vehicles.

Standard Maintenance

You can also count on ADS Auto Repair for your regular maintenance, including:

  • Common general services such as oil changes, brake repair, air conditioning repair, timing belt replacement/repair, wheel alignments, and much more 
  • Adjusting and tuning up your carburetor or fuel injection system to maximize your vehicle’s performance
  • Repairing and maintaining existing tires, as well as installing complete new tire packages 
  • Installing custom computer chips and service exhaust systems
  • Repairing and upgrading steering, suspension, transmission, and drivetrains

Worried about passing emissions? At ADS our technicians can make sure your vehicle passes emissions on the first try – no sweat! This means saved time and less hassle!

Service You Can Trust

Our dedication to customer service at ADS Auto Repair is unmatched in the industry. We pride ourselves on making sure the job is done right the first time and that you, the customer, are always satisfied. We have built our business off of referrals from loyal customers and know that if we treat our customers well they will treat us well in return. We are so confident in our work that we offer a three-year/36,000-mile parts-and-labor warranty on most repairs. We would love for you to take the time to read what our customers are saying about us.

What Makes Us the Best Automotive Repair Shop?

We can guarantee our replacement auto parts because we only use trusted manufacturers and name brand auto parts for your vehicle repairs, which means you can rely on the parts we install on your vehicle. In the unlikely event that one of these parts does fail, our manufacturer partners will quickly replace the part to resolve the issue. 

Our expansive, state-of-the-art auto repair facility in Chandler, AZ features service bays equipped with the latest diagnostic systems, technology and diagnostic tools. Because we use the latest automotive diagnostic technologies, our automotive services are more efficient than ever. This helps ensure all of your automotive repair services move as quickly and efficiently as possible, while keeping your repair and maintenance costs down.

Customer satisfaction is our No. 1 priority, and our customer service policy ensures that “Every automotive repair service is done right the first time.” We invite you to check out our testimonials page to see what our customers are saying.

Please feel free to stop by and see what makes ADS Auto Repair a step above the rest.

Yours truly,

Greg LaFontsee, Owner

Automotive Diagnostic Specialties (ADS Auto Repair)