Emissions testing service near Northridge, CA

A.G. Automotive and Diagnosis offers a 12 month, unlimited mileage warranty on all repairs. Factory trained Master technician's, ASE certified Master technician's will fix your vehicle right the first time at a fair price. Our experienced staff uses the latest tool's and equipment to diagnose, service, and repair your vehicle so you can drive with confidence. Don't take our word for it, stop by or call to schedule an appointment today, and see how taking your vehicle for service doesn't have to be a dreaded experience.

Very professional service with a smile from Susan at the front desk. Great timely service !! Highly recommended.

I can't say enough about Bill's. They are truly amazing. We're all too aware of the horrible reputation "auto shops" have had for years and we're also turned off by the grotesque price gouging you get from dealerships. Neither of these realities pertains to Bill's Quality Auto. These guys are Top Notch. They maintain the highest AAA Standards and the community just loves them. They are so amazing, honest and highly trained that they are THE recommended automotive care facility for The 805 Foundation. We have had multiple vehicles serviced here for years and that will never change. Just give them a try once and you'll be a customer for life. -Robert Allen

You guys rock! You picked up the car from our home, took care of biz, texted me a pic of an update. I called and told me that the running light actual holder/bracket burnt out. All in all, still $100 to repair about and you guys dropped it back in the afternoon. Super nice, super convenient with all that's going on with quarantine. I left a positive review on Yelp and posted on Nextdoor that you guys are open. You should maybe let me people know your max radius for pick up/drop off - not sure if it is noted anywhere, luckily I'm just down the street. Thank you! -Jeff

Tim and his team TRULY live up to knowing every nut and bolt of BMW's. Tim is Honest, and his prices are a refreshing relief from the dealership! I came to know about Tim when I happened to speak to a young man about his BMW. He highly recommended PHD Bimmer, and I have not regretted it since!! Its a shop for BMW Care that CARES!! Lena

BRILLIANT SERVICE! WE LOVE YOU SAM! Monica and Patrick! Monica Reed

AAA Auto club award winning Auto and light Truck repair shop , Serving the San Gabriel Valley for 36 years ASE technicians- Bosch Service center Star Smog station Brake and Lamp certification Vote Best Repair shop in area for last two years

I got my latest set of new (Michelin Defender) tires today along with alignment on my 2013 Prius. The car noise levels, steering, and ride are much improved. I can't say enough about the personal attention, excellent values and great service at Grand Prix. I highly recommend Grand Prix Tire for your automotive needs. Grand Prix is an honest and competent place of business. Jon D E. Monterey Park, CA 2013 Toyota Prius

They are the Mini Masters!! Excellent every time!! We take out BMW there, too! Dave King

I took my SUV to the dealership for 10 years for its routine service, then (once the warranty wore off) I wised up and decided to visit a shop instead. My dad recommended Bergin's, and I'm so glad he did. These guys are the best. From the customer service to their expertise, I don't believe it gets any better. They're always efficient and communicative. They've given me a heads up to expect to have to replace/repair XYZ during my next oil change, which is so extremely helpful with budgeting. The smog and oil change prices seem very competitive for the area. Don't waste your time with the dealership or any other shop--just go to Bergin's. Kate O. Camarillo, CA

This place is great. Great costumer service, I have taken my car here several times and they are able to accurately diagnose the problem as well as provide estimates. Janet M. Oxnard, CA

RUN, don't walk AWAY from this THIEF Adiel Herrera!!! I bought a used car from him on Craigslist. When I drove the car, everything seemed PERFECT! The A/C & heat worked GREAT, no oil leaks, etc. I found out the real story was that he was an old lady's mechanic. (she was the original owner from 1989). Her transmission went out, and Adiel wanted $3000 to fix it. The poor old lady didn't have the money, so he offered her $800 for the car (with only 75,000 orig miles!) He then "fixed" the transmission, and turned around and sold it to me for a lot more! One of his mechanics is under the hood right NOW, putting in a new air conditioner for over $400! I asked him since he guaranteed everything worked, couldn't I get SOME kind of discount, but he just walked away!!!!! I will NEVER bring my car to him again, and I can't wait to get the hell out of here! What a horrible "man" and business person!!!!