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    GNG Mobile Service

    4.0 (4 reviews)
    Closed Closed

    Services - GNG Mobile Service

    Check engine light

    Engine oil light diagnosis

    Auto general diagnosis

    17 More Services

    Auto noise diagnosis

    Tire Pressure Monitoring System diagnosis

    Auto no-start diagnosis

    Auto vibration diagnosis

    Auto diagnosis or inspection

    Auto pre-purchase inspection

    Auto maintenance

    Oil changes

    Auto repairs

    Auto battery or electrical system repair

    Auto brake repair

    Auto engine repair

    Auto HVAC repair

    Auto light repair

    Routine automotive maintenance

    Transmission leak inspection

    Commercial truck repair

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    Recommended Reviews - GNG Mobile Service

    Your trust is our priority, so businesses can't pay to alter or remove their reviews. Learn more about reviews.
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    5 years ago

    Great job on our work truck. The Tech was quick to fix the truck. He was polite and easy to work with.

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    7 years ago

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    9 years ago

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    10 years ago

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    Les Schwab Tire Center - Les Schwab calipers service

    Les Schwab Tire Center

    (285 reviews)

    Man oh man--Sebastian and Jose, thank you! I was truly a damsel in distress, and you both came…read morethrough for me after a fiasco of an experience at another shop. Not having a lot of experience with cars can be really stressful, but you made me feel cared for, heard, and educated about what my car needed. Sebastian took the time to explain what the issues could have been, and instead of jumping straight to the most expensive option, we started with the cheaper fix for my tires--and it instantly helped. It honestly felt like I was driving a brand new car afterward! Mind you, I still need more repairs, but having that peace of mind made all the difference. The prices are a bit on the pricey side, which is the only reason I'm giving a 9/10--but sometimes paying a little more is worth it when you know your car is in good hands. Great job, and thank you both again! Ill be coming back for sure.

    Staff are very professional, appointment scheduling is easy. I came for a wheel alignment service,…read morebut they were ultimately unable to do it due to additional software programming needed for my car which they don't have. The tech patiently explained that since my car has features like lane departure assistance and other functions involving my car's cameras and sensors, all of these needed to be recalibrate with the wheel alignment. Although I couldn't get the alignment done, it was a pleasure working with this shop and I did gain useful knowledge and information.

    Action Auto Fleet & Truck Repair

    Action Auto Fleet & Truck Repair

    (15 reviews)

    The BIGGEST scammers! Disregard all past positive reviews and find another shop. Vanessa now runs…read morethis place without her husband and has just run it down to the ground. She makes promises of knowing how to fix your car, installs the new parts YOU paid for and "installs" them incorrectly or damages them. HUGE WASTE OF MONEY AND TIME!

    STAY AWAY FROM THIS PLACE. This shop is an absolute SCAM. I took a 1960 Chevy truck k10 to them and…read morespoke with Vanessa the owner and her mechanic. I went to get some upgrades on my engine, intake manifold,long tube headers,radiator with fan,camshaft,starter,new brakes and the exhaust. They acted like they knew how to do everything so I left my truck with them. Weeks went by and I kept asking if they had ordered everything, they never did. They had done a few things to the truck so it wasn't drivable. Took Vanessa 3 months to order the parts, after giving her $2,000 deposit. Everything these people did was done wrong. Making a long story short 6 months later my truck was still there. I told Vanessa the owner a few times that if they really don't know what they were doing to pls let me know so that I can just take it to another shop. Her response was a million excuses that she was going to close just to finally work on it that her mechanic this and that. They lost parts of my engine that now I have to buy again,they installed the headers with a hammer and damage them. In the 6th month I told them not to worry about the brakes or the exhaust just cause I didn't want them doing anything else, I just wanted my truck back. Fight after fight with them, the truck never got done.They told me the truck needed the exhaust done before they could finish the job, so I told them that I was getting it tow to a muffler shop and bring it back, but they wanted $3500 for me to tow it there, but now the truck was leaking transmission fluid and it was just done so wrong that I couldn't drive the truck. I was not going to pay them $3,500 for a truck that I drove there n had to get towed out. I finally couldn't deal with these people anymore after wasting 6 months of my life with them for nothing, so I told them that I was getting my lawyer. They told me to just take my truck out of that shop as is. Now I have to re-do everything they did and even spend more money to fix all the damage they did.... The mechanics from here really don't know anything about cars or have any experience to do anything car related ... People! This is why is so important to read reviews of places before you go to them. Some old reviews show's that I'm not the first person they do this to. Save yourself a nightmare and just take your car to another shop. Now,I have to waste more time making a complaint with the BAR and BBB and then get my lawyer involved. After 6 months, and all the damage they did,I asked Vanessa to just give me my $2,000 deposit back and even though they screw me so bad, she's refusing to give it back. Some real scammers. I will put this on Google, my Instagram, next door everywhere so people don't keep getting scam by this place.

    Millennium Auto Care

    Millennium Auto Care

    (37 reviews)

    Brought in a 2001 Truck with a slide in cab over camper. They tried to call it an RV and charge…read more$200 for a SMOG. They were trying to RIP me off. Drove off, Took my truck it to A1 by COSTCO in Antioch. Cost me $65. SHAWN at A1 is a real one. Not this group of thieves.

    Cautionary Review - Please Read Before Visiting…read more I had a concerning experience with Millennium Auto Care in Brentwood, and I feel it's important to share for the benefit of others in the community. In September 2025, I was steered to this shop by a AAA-contracted tow truck driver who strongly recommended it over a AAA-approved facility. I later realized this may have been a referral with personal incentives -- a red flag in any service industry. The shop diagnosed my car and quoted nearly $1,200 in repairs, demanded cash only, and refused to take a credit card for the diagnostic fee. That alone raises serious concerns about transparency and accountability. This wasn't my first bad experience with Millennium. Back in 2021, the same technician exposed wiring and suggested vague electrical issues that felt like a setup for unnecessary diagnostics. I recently discovered that Millennium Auto Care was formally accused by the California Bureau of Automotive Repair (BAR) in 2018 for violations including: Charging for parts not replaced Performing unauthorized repairs Failing to return replaced parts (Source: BAR Accusation Document) This is public record and speaks to a pattern of behavior that matches what I experienced. I've since taken my car to a AAA-approved shop that was transparent, professional, and backed by warranty. I'm sharing this to help others avoid being misled. Always verify shop credentials, check BAR licensing, and don't let tow drivers decide where your car goes -- especially if the shop isn't AAA-approved. Would have given them no star rating but minimum is 1 star to even get a review posted.

    GNG Mobile Service - autorepair - Updated June 2026

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