1. DNV Smog & Test Only

1. DNV Smog & Test Only

0

Ontario, CA

DNV Smog & Test Only

4.8 (47 reviews)
Closed 8:30 am - 5:30 pm

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Services - DNV Smog & Test Only

Smog check

Auto engine repair

DNV Smog & Test Only Photos

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Reviews With Photos

Getting my SMOG
Debbie P.

Reasonable, clean shop. The technician provided excellent customer service - thoroughly satisfied.

Cynthia K.

Had my car tested today and Jay very helpful and fast. Staff was very nice and friendly. I highly recommend this place! Will definitely return next time my car needs a smog check. Great service!

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3 years ago

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1 year ago

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1 year ago

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1 year ago

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1 year ago

Fast service, easy, in and out. Good value for being quick. Some places are backed up but this spot for a gas station is solid

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1 year ago

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2 years ago

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4 years ago

Business owner information

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Jeries H.

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6 years ago

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4 years ago

This smog shop served my new car on a walk in very quickly and professionally. Highly recommend Chris and his good work at the location.

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4 years ago

Smog check done by Chris, super quick and I was in and out within 30mins. Nice work, definitely coming back for future visits

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5 years ago

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Jeries H.

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5 years ago

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6 years ago

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4 years ago

Quick and friendly service. Can in for a smog check and was taken care of right away.

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5 years ago

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5 years ago

Small shop with great service. Jay, the guy doing the smog check, is very professional and friendly. Very satisfied.

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8 years ago

Business owner information

Photo of Jeries H.

Jeries H.

Thank you for your business and kind words! I really appreciate it!

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9 years ago

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9 years ago

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9 years ago

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8 years ago

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6 years ago

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4 years ago

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6 years ago

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6 years ago

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7 years ago

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6 years ago

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8 years ago

Great customer service, i was in and out in under 12 minutes for a smog check. I would definitely return and recommend to a friend.

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8 years ago

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8 years ago

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5 years ago

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9 years ago

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8 years ago

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Jeries H.

Thank you for your business and your kind review!!

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6 years ago

Brought our car in and was very friendly. Got in and out fast. We really recommend this smog check station

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8 years ago

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6 years ago

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9 years ago

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8 years ago

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7 years ago

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Review Highlights - DNV Smog & Test Only

Jay, the guy doing the smog check, is very professional and friendly.

Mentioned in 13 reviews

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Top Alignment

Top Alignment

4.8
(187 reviews)

After taking my dad's truck to another alignment business, they informed me they could not do the…read morealignment without buying alignment pins. I took the truck to Matt at Top Alignment as I heard he does great work from a coworker. Matt worked quickly and performed a great alignment and showed the before and after results of the work he did. For the value and the great customer service I highly recommend taking your car here. He even was able to do the alignment without the alignment pins, saving us money. Also, make sure to say hello to the best manager around, Buster, as he walks around ensuring all work is done properly.

I called ahead to confirm that this shop performs alignments on a Mercedes-Benz Sprinter, and I was…read moretold yes--so I made the trip and brought my van in. When I arrived, the front desk experience was immediately off. When I asked about pricing, I was met with an unprofessional response: "Didn't you already get a quote over the phone?" I simply wanted to confirm details in person and ask if anything additional might be needed. Shortly after, a technician took my van for a quick drive--literally about two minutes--then came back and said they couldn't do anything because the van has a 2-inch factory lift. This didn't make sense to me, considering the vehicle comes that way from the factory and other alignment shops are able to work on it without issue. It honestly felt like a cop-out excuse to avoid doing the work. If this shop isn't equipped or willing to align Sprinter vans with factory specs, that should have been communicated clearly before I took time out of my day to bring it in. Overall, this was a frustrating experience due to poor communication and lack of professionalism. I would recommend they be more upfront with customers about their capabilities and improve how they interact with people in person.

Tri Auto

Tri Auto

4.8
(268 reviews)

I am writing to share my deep appreciation for the exceptional service my son and I recently…read morereceived. Last Monday, my son's car was towed from Newport Beach to Tri Auto in Chino because it was making a troubling noise and was no longer drivable. Danny, the owner, diagnosed the issue immediately just by listening to the engine--even before using his sensor equipment to confirm the problem. As always, he fixed the issue quickly and got the car back on the road. We were incredibly relieved not only to have the car running again but also by the fair pricing. While we expected the repair to cost four figures, it ended up being only a couple of hundred dollars. I have been a regular customer for oil changes and routine maintenance, and every visit confirms that Danny and his crew operate with the highest levels of professionalism and honesty. This review is a sincere thank you to Danny and his polite, dedicated team for their excellent workmanship. I highly recommend Tri Auto to anyone in need of car service, especially for Toyota, Honda, and Lexus vehicles. Once you experience their service, you will be a customer for life. May God bless Danny, his business, and his family. Dan

If zero stars was an options, that's exactly what I would give this business…read more I brought my Mazda in because it's making a loud clicking noise that feels like the axle could fail at any moment. Because this is a serious safety concern, I thought I would have received a proper inspection, because I mean that's what a true mechanic would do. Instead, Danny drove my car in a small circle around the parking lot and called that his "diagnosis." My husband asked if the car could be lifted for an actual inspection. Danny said no he already checked it and there is nothing more he will do, even though the only thing we saw was the quick circle around the parking lot and yes there was a lot more he can do, but clear did not want to. He then told us to go spend around $500 on new tires and an alignment first, saying that's about what he would charge just to diagnose the problem anyway. In other words, he suggested we spend hundreds of dollars before even identifying the issue. The moment I drove off the property, the clicking noise was still clearly there and easy to hear. It's hard to believe a mechanic wouldn't notice something that obvious. After reading other reviews, it seems several people have had similar experiences where they were expected to already know what was wrong with their vehicle, and if the issue wasn't immediately obvious during a quick look, no real inspection was done. I ended up taking my vehicle to another shop where the staff was respectful, professional, and actually performed a proper inspection. They were able to diagnose the issue instead of dismissing the concern. Because this involved a potential safety issue, I expected a much more thorough and professional approach. This was our experience during our visit and it was extremely disappointing. If you value your car or your safety, I strongly agree going elsewhere.

Ramona Tire

Ramona Tire

3.0
(122 reviews)

Ramona Tires is a fabulous shop! They've helped us numerous times and we wouldn't consider going…read moreanywhere else. Martin is always very helpful!

I gave Ramona Tire a second chance after a prior bad experience at another location. I was offered…read morewhat was described as a "deal," but it was simply a slight adjustment from their original quote and not particularly competitive with other pricing I had seen. Since my vehicle was already there, I moved forward anyway. After the service, I barely used the vehicle, as I primarily rent a car for work. Following a period of heavy rain, I entered my car and discovered significant water damage in the trunk area. Clothing, paperwork, and personal items stored in the trunk were completely soaked, and there was a strong mildew odor throughout the vehicle. In the five years I've owned this car, I have never experienced any water intrusion issues. Ramona Tire is the only shop that has ever accessed the trunk area, which they acknowledged. I brought the vehicle back for them to inspect the issue. Over two days, I was told they "couldn't figure out" where the leak was coming from. When I asked whether the taillight assembly had been removed or inspected (as another shop suggested that area could be the source), I was told they were unsure. While Raul, the Assistant Store Manager, was polite and professional, there was a noticeable lack of clear communication and accountability regarding what was actually inspected. The Store Manager did not acknowledge or greet me during my visit. I am now paying out of pocket for additional diagnostics, cleaning, and potential repairs related to water damage that appeared only after their service. After already giving the company a second chance, this experience has been extremely disappointing. Unfortunately, I cannot recommend this location based on my experience.

A-1 Auto Expert

A-1 Auto Expert

4.5
(187 reviews)

This is hands down the best auto repair shop I've ever been to. It's a family-owned business, and…read moreyou can truly feel the care and honesty from the moment you walk in. The front desk woman was incredibly knowledgeable, professional, and efficient. She took action right away and explained everything clearly. She was also genuinely kind--when I spoke with her, I felt 100% confident that I could trust her. That kind of honesty is rare these days. They replaced my car's battery in just 20 minutes. I even asked if there were any other warning codes or issues. She checked and told me everything was good--no pressure, no exaggeration, no trying to sell unnecessary repairs. Honestly, I was expecting to hear about "other problems," as has happened at many other auto shops, but she was completely honest. I was so impressed that I told her how amazing she was and even offered to leave a tip. She politely declined and said, "I'm just glad you're our customer, and I hope you'll come back in the future." That really meant a lot to me. This place is truly amazing, and I stand by every word of this review. My husband's car will be serviced here from now on, and I'll be a loyal customer for life--unless we move far away. I highly, highly recommend this shop to anyone looking for honest, reliable, and friendly service.

The service agents were knowledgeable, friendly and provided enough information for me to make an…read moreinformed decision. No pressure, no upsale, just the facts. We take out. 2018 Mazda, 2027 Highlander and our 2006 Altima. Very satisfied with the service, the great customer service and the reasonable prices.

DNV Smog & Test Only - smog_check_stations - Updated July 2026

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