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Merrill's Smog Check and Repair
“This place is AWESOME I took my old chevy for smog check and failed, Ruben was very helpful in finding the vacume leak, he fixed the leak and finally PASSED.”
Best Car Inspection & Emissions Testing in Fontana, CA
24 stations listed · all 24 in Fontana · 22 open weekends · 19 rated 4.5+
Data verified October 16, 2026
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Aamco Transmissions & Total Car Care
- Diagnose
- Questions
- Honest
“Rome was not built in a day and hard work takes time to get the job done right and Philip has been amazing through the whole process updating me and making sure i knew step by step what was going on!”
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Arredondo's Auto Repair
- Fair
- Money
- Mechanic
“Had to reset the clutch on my fiat the owner had it squared up in no time good prices great service and extremly close to home in future will always go to them if i cant do myself”
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J & S Auto Center & Smog
- Truck
- Honest
- Mechanic
“George is great sells cars cheaper then others been getting cars from him for yrs even my father in law and in laws bought from George now looking for one for my daughter”
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Cherry Smog Test Only
- Smog Check
- Advertising
- Review
“The best in Fontana, trust them to send my family and friends anytime”
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Alvaro's Smog Check Station
- Vehicles
- Work
- Information
“I've been going to this place for my vehicles to get smog certified for the last 10 years,they do a great job,quick,courteous, and haven't seen any other place to beat this shop's prices.”
Listed for drivers in and around Fontana, CA, these 24 shops carry out emissions and inspection work. What each one says about its station license, hours and retest policy comes from its own website; ratings and quotes come from public reviews.
Area overview: Fontana, CA
All 24 stations we list here are in Fontana itself. We have 30 stations in Fontana on file; this page shows the highest-rated 24. The stations on this page are rated from 4.2 to 5.0 across 2,518 reviews; 14 have 50 or more reviews and 19 are rated 4.5 or higher. When customers rate these stations on specific qualities, they most often praise professionalism (94%), quality (71%) and value (68%). 22 are open on Saturdays and 4 on Sundays. 2 have a BBB rating of A or A+. 8 have ten or more years of experience, the longest 51 years. 1 offers financing; 1 is family- or locally-owned and 1 lists coupons or special offers. 1 has Spanish-speaking staff. We have a website on file for 5 of the stations on this page; 2 publish a contact page; 1 lists a public email and 1 takes bookings online. We count these figures across the stations on this page; hours and prices change, so confirm the details with the station before you visit.
Which shops listed for Fontana test on Saturdays or Sundays?
Weekend testing is on offer at 22 of the 24 shops. Bear in mind that a failure on a Saturday usually waits for parts on Monday, which is an argument for testing midweek if you can.
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Sonora Smog Check & Auto Registration
“Good service, price and responsibility 👍 …”
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ABC Smog Check
- Water Bottle
- Owner
- Smog Test
“During the smog test, when codes appeared, he patiently explained what they meant in a way that was easy to understand, ensuring we were fully informed about the condition of the car.”
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John's Auto Repair
- Job
- 2013
- Honest
“He helped me when I was in a pinch today last second notice my radiator hose snapped off, turns out I had an oil leak that was causing other things to fail slowly.”
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Fontana Best Lube
- Vehicle
- Leaking
- People
“We have been coming here for over 5 years & are always satisfied with their customer care & work, would recommend to anyone looking to get work done for their cars needs :)”
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Alder Smog & Tires
- Price
- Vehicle
“Very fast and excellent service as always 💯💯 …”
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Arrow Tire & Wheel
“They are friendly, always able to fit me in no problem and most of all they are very reasonably priced as far as mechanics go, I have yet to find another place that will beat their prices, they do good work too.”
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Camilas_registration_smog
“Very attentive and responsible people, I highly recommend them, they have a car registration service, all in one place, a place that should be considered for smog and registration”
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Smog Busters Fontana
- Jesus
- Price
- Technician
“Went in to get my Diesel truck smogged was quick and easy the guy was very nice and knowledgeable price was also very fair it was hard to find a star certified smog place glad I found this one.”
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Ricos Auto Repair & Smog
- Prices
- AC
“Rico Auto Repair & Smog to me is the best in the business, brought in my 2002 Chevy Silverado he installed a rebuilt motor, transmission, brakes, fuel pump, AC all for a low price.”
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Ramos Smog
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SG Mechanics Auto Shop Repair
“Good service”
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Ej's Auto
- Knowledge
- Engine Swap
- Price
“Fixed my clutch for a good price”
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Ortega Smog & Repair
- Vehicles
- Work
- Auto Repair
“My daughter referred me and im going to be honest i have always had a hard time trusting good car mechanics but ever since i started bringing my car here I feel safe and they will be honest in telling you what needs to be done first in order to get y...”
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All States Test Only
“Wonderful service, I knew I would not pass the smog check cause my check ermine light was on, but he let me know i would just pay some of it today and come back and pay the rest when I fixed the problem..”
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J&M Smog
“This place got recommended to me by a friend and all I can say is the the workers were very welcoming and they got it done fast will definitely be coming here again”
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Golden Smog Test Only
“I don't smog my vehicles anywhere else!!!”
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E & G Smog Check Station
“Great, quick and fast service.”
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The Route 66 Smog
“Quickly done on my smog check..”
Why these companies made our list
What customers say about stations in Fontana
- “This level of transparency and professionalism left me feeling confident in their integrity.” — customer of Merrill's Smog Check and Repair
- “Great customer service. The gentleman was knowledgeable and professional and gave me some great tips to preserve my car.” — customer of Alvaro's Smog Check Station
- “Outstanding service and friendly staff. Im definitely recommending this place to friends and family.” — customer of Alder Smog & Tires
- “Larry and his team provided an accurate estimate and promptly communicated any additional requirements before proceeding with the repairs.” — customer of Merrill's Smog Check and Repair
- “The customer service will make them your go to place for a smog.” — customer of Alder Smog & Tires
Excerpts from public reviews of the stations listed on this page.
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