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A To Z Auto Repair
- Team
- Company
- Inspection
“Similar to your car, at a minimum, we heard strange noises during transit, noticed puddles on the ground after parking and were greeted with an unwelcomed engine light”
Best Engine Repair & Rebuild near St. Charles, IL
3 of these technicians are based in St. Charles; the others serve St. Charles from towns including Schaumburg (14 mi), Carol Stream (9 mi) and Aurora (11 mi).
9 open weekends · 23 rated 4.5+
Data verified October 16, 2026
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Nofsinger's Auto Repair
- Job
- Work
- Oil
“Thanks for coming to my rescue you guys have always been nice and honest my brother Erik spoke highly of your excellent service thanks so much God bless all of you”
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Dupage Auto & Truck Repair
“Thought I had a problem with a vehicle a couple weeks ago, Mark and his staff took care of it quickly and didn't charge for some minor repairs that they took care of.”
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EP3 Motorsports
“Overall, I had an outstanding experience with this shop and would highly recommend it to anyone looking for high-quality work done by friendly and knowledgeable professionals.”
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Excel Automotive Repair
- Review
- Mechanic
- Engine
“My neighbor recommended Minor and Excel after she took her daughter's used car and he honestly advised her the money she needed to spend wasn't worth it on this car.”
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Komet Motorsports
- 2018
- OEM
- Needs
“Even before going to their shop ( which I'll be doing soon in the future ) The customer service was super super helpful and a current issue I had on my car.”
Listed for drivers in and around St. Charles, IL, these 24 shops repair, rebuild and replace engines. What each one says about machine work, warranty terms and the engines it supplies comes from its own website; ratings and quotes come from public reviews.
Area overview: St. Charles, IL
The 24 technicians on this page are rated from 4.1 to 5.0 across 3,287 reviews; 21 have 50 or more reviews and 23 are rated 4.5 or higher. When customers rate these technicians on specific qualities, they most often praise professionalism (90%), quality (83%) and value (76%). The topics that come up most in reviews of the technicians on this page are "diagnosis", "communication" and "honest". 9 are open on Saturdays and 2 on Sundays. 3 list staff certifications (ASE) and 13 have a BBB rating of A or A+. 18 have ten or more years of experience, the longest 110 years. 6 offer financing; 3 are family- or locally-owned and 5 list coupons or special offers. We have a website on file for 22 of the technicians on this page; 17 publish a contact page; 11 list a public email and 5 take bookings online. We count these figures across the technicians on this page; distances are straight-line, and hours and prices change, so confirm the details with the technician before you visit.
Why do some listings show another city?
3 of the 24 shops are in St. Charles itself and the rest come from other towns within 25 mi. An engine job means leaving the car for days, so the drive happens once at each end rather than every morning.
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Sam's Auto Services
- Price
“Honest mechanic who doesn't overcharge.”
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GTO Automotive
- Brakes
- Vehicle
- Labor
“Very good service from the entire workshop team, they also have very affordable prices, they gave me clear information about what was happening to my car and they gave me very good solutions”
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Grizzli Diesel Performance
- Industry
- Mechanic
- Price
“Absolutely love the sound and the noticeable acceleration that you get from these cold air intake's and you can rest assured that John will professionally install it without any issues.”
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Total Diesel
“Wonderful service highly recommended”
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McLean Auto Repair
“Just wanted to give the guys over at Mc Clain a five-star rating they are very knowledgeable and they take care of everything we need and they're on time and very affordable I would recommend them to all my friends which I already have well thank you...”
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CNS Automotive
- Mechanics
- Oil
- Dealership
“I love the integrity he represents and that's why after many years of a wonderful business relationship I'm blessed that I can be a part of the CNS team!”
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A Affordable Transmission Specialists Inc.
- Diagnosed
- Vehicle
- Matter
“I have never met anyone who worked so hard to help me with my issues with Car Shield and consistently offered advice as assistance with my transmission.”
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Car Doctor Jr
“He turned out to be exactly correct because I had done an online appraisal before going to turn the car in and the physical inspection did not reduce the value I had already been quoted.”
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BOB Auto Repair
- Estimate
- Mechanics
- Brakes
“BOB Auto actually took the time to investigate the source of the leaks, tell me what's leaking and where, and gave me an estimate for the work that needs to be done.”
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Stan's Service Station
“I'm absolutely positive I will never take my truck anywhere else besides Stan's in the future and I recommend them to anyone looking for honest service with down to earth people.”
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Oil Depot
“They even brought to my attention a major engine issue that I was not aware of that ultimately got resolved by the car manufacturer at no cost to me thanks to the information they provided.”
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Robinson's Auto Repair Inc
“Fortunately, I turned to Robinson's in Aurora, Illinois, where they discovered a serious problem – 8 out of 10 lug nuts were loose on the front two tires, posing a significant safety risk”
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Car-One Tire & Auto
“Car one tire and auto very happy with the work they did on my car price was reasonable I was well taken care of and they did it really fast too I recommend them highly”
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Marty's Automotive
- Oil
- Diagnosed
- Chain
“Mary at the front desk was awesome, and updated me very quickly throughout the day after dropping my car off to let me know of additional issues with the suspension they found.”
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Neftys Auto Inc
- Engine
- Vehicles
- Honest
“I would drive 50 miles to get my car fixed here, because I would save money and on my way back home I would have the confidence that my car was fixed right.”
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Renberg Auto
- Mechanic
- Team
- Work Done
“Renberg Auto works on my mother's car and they treat her like a queen — explaining what has to be done, answering her questions, treating her with respect.”
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Olsen Motorsports
- Budget
- Price
- Communication
“I was able to drop off my car the day before my appointment which was very useful for me as I did not have the time to drop it off the day of the appointment.”
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Schaumburg Automedics
- Dealership
- Pictures
- Estimate
“First time taking this car to Automedics, I visited with my previous vehicle but when I bought a certified car in 2018 I took that newer vehicle to the dealer until this recent visit.”
Engine Repair Services in St. Charles, IL Cost Estimates
Minimum cost
$600
Maximum cost
$4500
National Average
$1800
Avg Per Hour Rates
$88
$1550
$2500
Average price range is based on 463 cost profiles
Why these companies made our list
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