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    ECU Guys

    4.1 (31 reviews)
    Closed 8:00 am - 5:00 pm
    Updated 2 months ago

    Services - ECU Guys

    Auto maintenance

    Auto repairs

    Auto battery or electrical system repair

    4 More Services

    Auto brake repair

    Auto light repair

    Routine automotive maintenance

    Hybrid car repair

    ECU Guys Photos

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    Recommended Reviews - ECU Guys

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    6 months ago

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    1 month ago

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    6 months ago

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    7 months ago

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    8 months ago

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    1 year ago

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    1 year ago

    These guys are the best for any ecu repair. Fast service and good prices. If you need any ecu/pcm repairs call them.

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    1 year ago

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    1 year ago

    Cloned my ECU and got me taken care of in under 24 hours! Great price as well! Highly recommend.

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    3 years ago

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    4 years ago

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    3 years ago

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    2 years ago

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    4 years ago

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    2 years ago

    These guys fixed me up fast. I recommend them. Cena was very professional and answered all my questions.

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    4 years ago

    My 2020 BMW 745e iDrive system was acting up, brought it in for software update that resolved the issues. Thank you Sina.

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    2 years ago

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    5 years ago

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    5 years ago

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    5 years ago

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    5 years ago

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    4 years ago

    Fixed my ECU. Profesional and Great customer service at reasonable price. Highly recommend this place.

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    4 years ago

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    3 years ago

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    4 years ago

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    5 years ago

    It's always good to find a knowledgeable, honest, reasonable, professional repair facility. I wouldn't go anywhere else.

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    ECU Guys Reviews in Other Languages

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    Review Highlights - ECU Guys

    Sina and his Team are very professional, They find my car problem, took it to my Mechanic and Fixed!!!

    Mentioned in 9 reviews

    Read more highlights

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    A&J's Auto Garage - Brake job and full maintenance

    A&J's Auto Garage

    (53 reviews)

    It's rare to find kind people who truly care about clients in this industry. It's surprising to…read morecome across people like Arnold and Arnaulfo. Their prices are the most fair in the area, but the quality, the skill, the knowledge that were provided was TOP NOTCH. Very honest and knows alot about cars. They deserve your business and referrals. I called them and they were able to squeeze us in after I told him we had an urgent case and needed their help. He found more issues that other shops probably wouldnt have caught. Auto scientists with MAD SKILLS. Arnold educated and guided me and we were able to make the best and right decision on the vehicle. Thanks man!

    TRUSTWORTHY. Highly skilled. Knowledgeable. Kind. That's exactly how I would describe Arnold and…read morehis father. If you need a pre-purchase inspection or any auto repair, whether it be european, american, japanese made, etc, and EVs, take your car here and don't think twice. We reached out to Arnold for a pre-purchase inspection. While six other places quoted us $250-$350 for a "comprehensive" inspection, we paid Arnold $100, which was a STEAL for what he did, even more than what the others promised. He spent at least two hours thoroughly checking the vehicle, test driving it and walking us through every detail so we truly understood its condition. We were looking at buying an Audi Q4 e-tron that had a damage report. A reputable dealership told us it was "minor" and offered to take it to the mechanic for our peace of mind. After browsing Yelp and reading the amazing reviews, we decided to come here instead and I'm so glad we did. I had already done my due diligence and familiarized myself with the vehicle and potential issues. I asked Arnold very specific, technical questions that I already knew the answers to. He answered every single one with clarity and confidence and everything I was expecting to hear. My husband stayed the entire time, and Arnold patiently explained everything while inspecting the car. You can tell he was that kid that made the auto shop his playground growing up. He's passionate, meticulous, and GENUINELY cares. What impressed me most is that Arnold will never pressure you. He won't tell you "don't buy it," but he will clearly explain what could go wrong and what it might cost to fix. When I pressed him for his honest opinion, he said he personally wouldn't buy it at the listed price but if we negotiated it lower, then it might be worth considering. That level of honesty is RARE. They are your small local auto shop but I would choose them over any flashy, grandiose service center any day. Their integrity and transparency make them stand out. Thank you so much, Arnold and your dad, for the amazing service. We ended up just buying a Tesla!

    Electric City - Need Tesla brake check ?

    Electric City

    (150 reviews)

    Apparently they also fix/diagnose hybrid cars here!…read more My prius prime had a warning that "hybrid system malfunctioned" so I was stuck struggling to operate the vehicle for 2 days... The morning of the visit, lo and behold, the error code went away, took it to this shop anyways to see if they can find anything, nothing showed up on the OB2 scanner... They didn't charge me and just told me to monitor and come back if there's any issues, 10/10 for honest people!

    Avoid This Shop - Deceptive Pricing and Shady Billing Practices…read more I was ready to do both repairs with them until the sketchy behavior started. Initial estimate: $1k-2k (rear) + $3k-4k (front). After $100 inspection, jumped to $5.3k (front) + $2.9k (rear). Red flags: David insisted $600 trunk repair "wouldn't be good enough" for my Tesla lease, pushed $2.9k replacement. After they missed bumper damage ($600), he suddenly said repair would "look just fine" and offered to "make it even at $2.9k." That's $1,200 worth of work for $2,900--when I asked for itemized invoices, he refused and ghosted me, claiming "system doesn't allow it." At pickup, they handed me an invoice for $4.1k. Then printed a SECOND invoice--same $4.1k total but R&R costs, labor, and parts had shifted by hundreds of dollars, plus a mysterious $1,322 "discount" we never received. How do line items change while the total stays identical? Called my mom (an accountant) to review. After nearly 2 hours of them insulting her for asking legitimate questions, they claimed it was "accounting between two shops to avoid double-taxing our deposit"--ironic since they offered $300 cash discount to dodge taxes. Staff contradicted themselves: first said OEM part (explaining scratches), then insisted it was "brand new" when questioned. Found a PDR specialist who did the rear for $600 (vs their $2,900)--excellent work. Also: they're NOT Tesla-certified despite advertising "certified Tesla technicians". Avoid.Avoid This Shop - Deceptive Pricing and Shady Billing Practices

    Mountain View Tire & Auto Service

    Mountain View Tire & Auto Service

    (311 reviews)

    Went in for one TPS sensor, ended up replacing all four, total invoice kinda hurt being christmas…read moretime with presents but , the best part was that I knew Robert ,and the crew were looking out for my best interests. Always the best with Tustin Mountain View Tire & Auto Service, no crap, just quality service. Tustin Mountain View Tire & Auto Service have always have had the best customer attitude and service, that's why Robert and Tustin Mountain View Tire & Auto Service will consistantly be number #1 in Southern California , always will be, no else comes close. Best, Mark Evans

    Alright alright alright. I had originally gone in for a quick tire patch because I was gonna be…read moredriving quite a bit. I walked in and they immediately greeted me, helped whoever was in line, and then came out with me to look at my tires. The gentleman who helped me looked at them and then explained that what I needed was new tires not a patch. My tires were so worn that he did not recommend me driving a long ways on them. I asked what the cost would be and he gave me three different quotes so that I could choose the one that best suited me. I recently had body work done on my car and was saddened when the gentleman let me know that a tire alignment was skipped. They replaced my tires within 2 hours (they drove and picked up my tires from another location) and did the tire alignment and they also made sure I was comfortable the whole time. I have a lot of appreciation for this place and you should too. I've been driving on the new tires for two weeks and my life is changed. Highly recommend for tires, alignments, tune ups, and everything in between. The mechanics also interact a lot with customers and seem pretty happy here (that's a good sign).

    ECU Guys - autorepair - Updated May 2026

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