Since 1997, J-N-J Auto Service is your family-owned and operated one-stop shop for all auto repair needs in the city of Phoenix, AZ. We specialize in auto repair and maintenance. No matter what type of vehicle you drive, our team has the industry experience to provide you with the best service to ensure your vehicle runs smoothly and safely.
Serving the following Phoenix zip codes:
85029, 85020, 85021, 85022, 85023, 85027, 85032, 85051, 85053, 85302, 85304, 85306, 85308
Auto Electrical
J-N-J Auto Service provides the best electrical auto service in Phoenix, hands down.
Heating & Air Conditioner Repair
For the best cooling and heating auto repair service in Phoenix, trust J-N-J Auto Service.
Engine Auto Service
When that check engine light comes on, it’s hard not to feel annoyed or even worried.
Maintenance & Auto Service
It’s a fact: regular, quality maintenance extends the life of your vehicle. It also gives you the peace of mind you need.
Exhaust Service
If you’re concerned about passing emissions or you already know your exhaust system isn’t what it should be, visit J-N-J Auto Service in Phoenix.
The Absolute Best Car Service in Phoenix, AZ
J-N-J Auto Service
What sets J-N-J Auto Service apart from all of the others in Phoenix, AZ?
Quality Service
We use the latest diagnostic equipment and high-quality parts to ensure your vehicle is repaired to the highest standards.
- 12-Month/12,000 Mile Warranty
Experienced and Certified Technicians
Our technicians are highly skilled and certified professionals with years of experience in the auto repair industry. They have the expertise to diagnose and repair any problem your vehicle may have.
Customer Satisfaction
Our goal is to exceed your expectations and ensure your complete satisfaction with every visit.
Our Customer Reviews
Recently Serviced Vehicles
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2016 Chevrolet Tahoe
Mileage79,672Service Date7/14/2025Services Performed- ALTERNATOR ASSEMBLY – Remove & Replace – [Includes: Test.]
Bart B. gave our service a 5 star review on 7/14/2025 -
2017 Chevrolet Spark
Mileage130,402Service Date7/3/2025Services Performed- Check engine light diagnose
- SURGE TANK – Remove & Replace – [Includes:Drain and refill Low Temperature Cooling System.]
Kenneth M. gave our service a 5 star review on 7/7/2025 -
2020 Kia Soul
Mileage59,302Service Date7/2/2025Services Performed- Semi Synthetic Oil Change
Jim G. gave our service a 5 star review on 7/5/2025 -
2006 Ford Pickup
Mileage89,433Service Date7/3/2025Services Performed- PCM/PROCESSOR ASSEMBLY – Remove & Replace – F150,V8 – [Includes: Component test.]
- Programming
- Semi Synthetic Oil Change
Daniel T. gave our service a 5 star review on 7/4/2025 -
2017 Honda CR-V
Mileage57,288Service Date7/3/2025Services Performed- Full synthetic oil change
- Coupon
- Exchange brake fluid
- CABIN AIR FILTER – Remove & Replace
Kay J. gave our service a 5 star review on 7/3/2025 -
2004 Ford Pickup
Mileage53,604Service Date6/30/2025Services Performed- EVAC RECHARGE AC
- AC System evaluation
Alexis M. gave our service a 5 star review on 7/1/2025 -
2021 Chevrolet Colorado
Mileage25,366Service Date6/20/2025Services Performed- Full Synthetic Oil Change
- Free vehicle inspection
Pamela J. gave our service a 5 star review on 6/20/2025 -
2020 Ford F-150
Mileage98,181Service Date6/19/2025Services Performed- Semi Synthetic Oil Change
- YF AC EVAC & RECHARGE
- AC System evaluation
Gwen W. gave our service a 5 star review on 6/20/2025 -
2009 Pontiac G3
Mileage106,765Service Date6/12/2025Services Performed- Semi Synthetic Oil Change
Gary W. gave our service a 5 star review on 6/12/2025 -
2009 Hyundai Accent
Mileage92,243Service Date6/6/2025Services Performed- Rotate tires
- DOOR HANDLE – Remove & Replace – 2D Hatchback Front,Outer – [DOES NOT include refinishing (where applicable).]
- Semi Synthetic Oil Change
Rich J. gave our service a 5 star review on 6/6/2025 -
2018 Kia Soul
Mileage49,927Service Date6/5/2025Services Performed- Full synthetic oil change
- Coupon
- Check engine light diagnose
- FUEL PUMP – Remove & Replace – 1.6L Eng,Normally Aspirated High Pressure
Steven O. gave our service a 5 star review on 6/5/2025 -
2017 Hyundai Elantra
Mileage79,494Service Date5/23/2025Services Performed- EVAC RECHARGE AC
- AC System evaluation
Alexis M. gave our service a 5 star review on 5/23/2025
Contact Us Today for an Auto Repair Estimate
Our friendly and knowledgeable staff is always happy to answer any questions you may have and will keep you informed throughout the entire repair process. So why pick us for all your Phoenix auto repair needs? The answer is simple: expertise, customer service, affordability, convenience, and quality. Contact us today to schedule your appointment and experience the difference for yourself.
Hours
Mon-Fri : 7:30am-6pmSat-Sun : Closed
Address
J-N-J Auto Service
3528 W Cactus Rd Suite B,
Phoenix, AZ 85029
