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    Colfax Smog and Auto Repair

    4.5 (38 reviews)

    Services - Colfax Smog and Auto Repair

    Auto diagnosis or inspection

    Auto maintenance

    Auto repairs

    5 More Services

    Auto HVAC repair

    Auto transmission repair

    Routine automotive maintenance

    Smog check

    Transmission leak inspection

    Colfax Smog and Auto Repair Photos

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    4 days ago

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    11 months ago

    Great guys. Great work. No bullshit. Transparent and honest. What more could you want?

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    7 months ago

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    4 years ago

    Very arrogant service at the counter. Poor customer service. Took too long (a week) to get a small part to achieve passing on smog.

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    4 years ago

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    5 years ago

    Great place to get your car fixed! Very reliable, friendly and knowledgeable. A+. Highly recommend

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    5 years ago

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    4 years ago

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    7 years ago

    Good people. Hard workers. My previous review was due to misinformation from a second opinion.

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    4 years ago

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    11 years ago

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    9 years ago

    SMOG checked. Super fast. Polite and answered my questions.

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    11 years ago

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    Ask the Community - Colfax Smog and Auto Repair

    Review Highlights - Colfax Smog and Auto Repair

    Todd & Co got my old beater smogged and tipped me off to a couple of other small issues I need to handle.

    Mentioned in 23 reviews

    Read more highlights

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    California Smog

    California Smog

    4.7
    (115 reviews)

    i am very disappointed with the service i received at California smog. I brought my truck in for a…read moreroutine diesel inspection, and the technician refused to test it based on completely incorrect assumptions. He claimed that my downpipe, intercooler, and wastegate were aftermarket, even though all components are 100% factory stock. He insisted that these parts required CARB EO numbers, despite the fact that they are original ford equipment. the only modification on my exhaust is a 4-inch system after the catalytic converter, which is fully legal in California and requires no EO number. This is easy to verify by simply looking under the truck and comparing the larger aftermarket tail section to the stock unmodified 3.5 inch factory downpipe. The technician did not take the time to properly verify anything. he was dismissive, rushed, and unwilling to listen or provide clear information. Instead of performing an accurate visual inspection, he refused the test. To be sure i went to another certified star smog station the same day. The technician there immediately recognized all of my components as stock, knew the correct regulations and passed my truck with flying colors . This experience shows lack of training, knowledge and professionalism at this location. Costumers rely on smog shops to understand regulations and inspect vehicles accurately. Unfortunetly, that did not happen when I went to California Smog.

    In and out within 15 minutes ( I did schedule an appointment)…read more Friendly locally owned business operated with efficiency

    SB Smog Hog

    SB Smog Hog

    5.0
    (10 reviews)

    These folks were very nice and able to fit me in immediately when I showed up. A different smog…read moreplace in town was about an hour and a half wait time and one was unexpectedly closed. Found these guys on Yelp and I'm glad I did. GPS sent me across the street to HT auto but someone pointed me the right direction. A kid ran out and had me pull in from the other direction. They have a little table to wait at inside and a friendly dog to hang out with too. Was in and out in maybe 10 minutes. Will come back here again next year, thanks!

    Amazing shop with a genuine professional, knowledgeable, and a people person shop owner. I was…read morefortunate to find this shop upon my search on the approved government's website site, "BAR" (Bureau of Automotive Repair). When I called the shop for an appointment, I was fortunate to get in on the same day, in which I was placed at ease due to the owner's professional business practices of greeting me upon my arrival with genuine concern that my smog test wouldn't take long, and I could stand nearby to watch the testing. I truly appreciate and value the owner's care, professionalism, updated computerized testing equipment, great conversationist, compassionate, and commitment to ensure my experience was worry-free, and done with care and efficiency. Upon passing my smog test, I was offered various means to pay for the service, in which I was given a receipt for my payment and a printout of my car's specifications, and, that my car had past my smog test. I would definitely recommend this shop.

    Certified Automotive Repair

    Certified Automotive Repair

    4.0
    (31 reviews)

    I had an excellent experience with Certified Auto Repair, and a big part of that was the customer…read moreservice from Ryan. When I first called, Ryan was upfront and honest about their scheduling timeline and let me know they were typically booked about a week and a half out. I didn't schedule immediately because I wanted to compare quotes from other shops, but after calling around I decided to call them back a couple days later. Ryan confirmed the same availability window and unfortunately their next opening was the day after our road trip was supposed to begin. I thanked him anyway and figured we were out of luck. Then, about 5-10 minutes later, Ryan called me back personally and said he had reached out to some of his morning appointments for the next day and was able to fit me in if I could do an early drop-off. That kind of effort is rare. He didn't have to do that, but he went out of his way to help us out knowing we had an important trip coming up. They completed the much-needed work on the vehicle and took a stressful situation completely off our plate. That small gesture earned them a new loyal customer. Honest communication, real customer care, and willingness to go the extra mile still matter, and Ryan absolutely delivered on all three.

    I cannot say enough great things about this place. It has been my go to since moving to Grass…read moreValley. Ed and Ryan are a great team and the job always gets done right. This is one of those small town shops where you are on a first name basis with everyone there, and the biggest thing is trust. I know that if Ed tells me something needs to be done then that is the reality of the situation. No upselling, or anything like that. Just good honest hard working people.

    Colfax Smog and Auto Repair - smog_check_stations - Updated July 2026

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