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Proper diagnosis so no $$$ for unnecessary parts
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If required, we use quality OEM parts
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After the repair is complete, we verify it
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We make sure you are satisfied
next level auto diagnostics llc
nextlevelautodiag@gmail.com
OE QUALITY AUTOMOTIVE REPAIRS
(631) 996-7450
Hello and thank you for considering Next Level Auto Diagnostics LLC:
If your vehicle is having an issue(s) and you have already visited your favorite auto repair shop but the problem still remains, we might be able to help. We use advanced techniques to pinpoint the issue(s). If we agree to work on your vehicle, there will be a diagnostic fee (there is no free lunch, especially in NYC). You can find a small sample of the problems we have resolved for our customers down below. Our Google Reviews demonstrate our commitment to automotive excellence & impeccable customer satisfaction.
We regularly provide assistance to automotive repair shops and dealerships in the area which is why an appointment is highly recommended, since we may not be at our location on any given day.
We offer oem module programming for the majority of the manufacturers. In addition, we also perform component level repair of key fobs, engine computers, etc.
We apologize, but do not offer the following services due to time constraints:
- NY State Inspections
- ECU Tunings
- Muffler / Exhaust Issues
- Oil Changes
- Brake Pad Replacement
Can’t Pass State Inspection Because The Check Engine Light Is On?
Battery Keeps Dying?
Multiple Electrical Issues?
Poor Gas Mileage? EVAP Issues?
we don't guess but use a systematic approach:
If we arrange to work on your vehicle, you can rest assured that it will be diagnosed using advanced industry-known methods & repaired using factory dealership procedure:
Small sample of our past repairs:
we are flexible and work around your schedule
If you need your vehicle on weekdays, we will schedule you on the weekends for your convenience
Jamie
14:00 11 Dec 25
Sal is exceptional. He spent two cold days helping diagnose my Jeep and didn’t stop until he got it running. He’s very knowledgeable saved me lots of money and stress! I’m very grateful for his help—highly recommend him!
Terell Drayton
19:10 10 Dec 25
Sal was amazing to work with! Called him on a Thursday afternoon with a car issue I was dealing with. Met him the next day where he was able to diagnose my issue with 2-3 potential solves.
He saved me so much money and time had I went with the first auto shop I met with!
He saved me so much money and time had I went with the first auto shop I met with!
Kevins Biscuits n'Jelly
23:40 23 Nov 25
Incredible experience! Sal is the Man! About a month ago my car (Toyota Scion Tc) started throwing a persistent P0500 check engine light code. Symptoms are a fluctuating Rpm needle and slight hesitation/stalling from the transmission @ moderate to higher speeds. Already being 'hands on' with my car and giving it the parts cannon (2 Front wheel speed sensors, ABS Skid Ctrl Module and 2 Transmission speed sensors) with NONE successful, I decided to get a professional diagnosis. Found Next Level Auto online, and set up an appointment with Sal. Not only was he very respectful of my own insight/hands on with my car, he also took me step by step through the entire process by phone, as he ran the Computer Tests. And he was able to pin-point the Speedometers OUTPUT as the problem. Likely from an intermittent (Internal) circuit failure happening inside the Speedometer unit itself, requiring replacement. I NEVER would've figured this out myself if it weren't for Sal's extensive testing! And I can now start getting my Car back on the road Lol. Thank You, Thank You, THANK YOU Sal. Highly recommended 👍🏽👍🏽
Aimee Kors
19:37 24 Aug 25
I wanted to share my incredibly positive experience with Sal, who is not only one of the best mechanics I've ever encountered but also a truly fair and honest individual.
My car required an overnight stay for the necessary work, and Sal kept me informed every step of the way. He sent detailed photographs of the damaged parts, clearly numbered and explained their functions, and even provided options for replacement, including tips on how to save money on parts.
Before I found Sal, I had unfortunately been taken advantage of at two other places. I paid for parts that were never replaced, and my car continued to have issues. I was so concerned about my daughter's safety and the potential risk my car posed to other drivers that I was considering getting rid of it entirely.
Sal's guidance throughout the process was invaluable. In just one weekend with him, I learned more about mechanics than I had in my entire life. I wholeheartedly recommend him for his professionalism, honesty, and fairness. Many thanks Sal!
My car required an overnight stay for the necessary work, and Sal kept me informed every step of the way. He sent detailed photographs of the damaged parts, clearly numbered and explained their functions, and even provided options for replacement, including tips on how to save money on parts.
Before I found Sal, I had unfortunately been taken advantage of at two other places. I paid for parts that were never replaced, and my car continued to have issues. I was so concerned about my daughter's safety and the potential risk my car posed to other drivers that I was considering getting rid of it entirely.
Sal's guidance throughout the process was invaluable. In just one weekend with him, I learned more about mechanics than I had in my entire life. I wholeheartedly recommend him for his professionalism, honesty, and fairness. Many thanks Sal!
Neo Zhuo
12:31 28 Jul 25
Sal is the goat !!!!!
I wanted to install an after market intake system for my car (Since it's an after market part so the fitments were kinda off which made the whole process a bit diffcult). But Sal's very professional and very patient during the process. He also made sure everything's fine no leaking & no check engine light.
I wanted to install an after market intake system for my car (Since it's an after market part so the fitments were kinda off which made the whole process a bit diffcult). But Sal's very professional and very patient during the process. He also made sure everything's fine no leaking & no check engine light.
Carmen Verdugo
01:48 20 Jul 25
I highly recommend Mr. Sal and his mobile mechanic services.
On a Sunday—when it was hard to find availability and most prices were very high—we found Sal, and he was spot on with the diagnosis of our car’s issue. That same day, he managed to find the part and fix it. He also followed up in the days after and had no problem checking the car again when I had some questions.
Very professional and honest—I wish him all the best in his business. Thank you!
On a Sunday—when it was hard to find availability and most prices were very high—we found Sal, and he was spot on with the diagnosis of our car’s issue. That same day, he managed to find the part and fix it. He also followed up in the days after and had no problem checking the car again when I had some questions.
Very professional and honest—I wish him all the best in his business. Thank you!
Bryce Saunders
18:22 10 Jul 25
Had a plethora of electrical issues.. Sal not only resolved said issues, but also walked me through every step of the way, while also keeping me up to speed about the current steps being taken, along with the steps needed to be taken in the future.. 11/10 experience; definitely recommend, definitely will be using their services again.
Orane Jacobs
00:34 09 Jul 25
Sal is awesome! He helped me with a pre-purchase inspection and saved me thousands of dollars. The dealer was trying to hide issues with the vehicle's transmission, but Sal was able to find those hidden codes and advise me on my purchase. He is very patient and detail-oriented. He is also very friendly and truly cares about his customers. He took time out of his day to explain everything to me in detail. I would highly recommend his services!
pk gen
00:18 04 Jun 25
I called Sal to check on a noise issue I was having coming from my wheels, he diagnosed and solved it within 15 minutes, very efficient. I'd recommend using him auto needs. Also he doesn't charge if he can't fix the issue.
Bayside, NY
(631) 996-7450
nextlevelautodiag@gmail.com