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Gary's Auto Service
“Gary's makes sure you are only getting what needs to be done,done, doesn't try to upsell you, and even goes out of their way to save you money wherever they can.”
Engine Repair & Rebuild near Florissant, MO
We have 3 technicians in Florissant on file, and all of them are on this list, along with 21 from towns including Saint Louis (7, 12 mi), Saint Charles (5, 10 mi) and Hazelwood (1, 2 mi).
7 open weekends · 17 rated 4.5+
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Ronsick's Auto Care
“Always professional and to the point in explaining all details about the repairs done or things that should be needed later to keep my vehicle in good working condition on every visit.”
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Ferguson Motor Service
- Zero
- Vehicle
- Sales
“Services Electrical repair, Air & cabin filter replacement, General repairs & maintenance, Auto brake repair, Vehicle Inspection, Wheel alignment, Battery, Oil change”
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Hart Automotive
“TJ, Kevin and Bob went above and beyond by not only listening to my concerns but also ensuring that my car received a comprehensive inspection, which I asked Firestone to do when they replaced the tire when I had the blowout.”
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T&G Motorsports
“Best mechanic in North St Louis county.”
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Hayes Engine Management Inspections
“Excellent, thank God you helped me without much problem and you made yourself understood even though I don't speak English fluently, thank you very much.”
Area overview: Florissant, MO
The 24 technicians on this page are rated from 4.3 to 4.8 across 5,185 reviews; 23 have 50 or more reviews and 17 are rated 4.5 or higher. When customers rate these technicians on specific qualities, they most often praise professionalism (91%), quality (78%) and value (72%). The topics that come up most in reviews of the technicians on this page are "diagnosis", "fair" and "honest". 7 are open on Saturdays. 5 list staff certifications (ASE) and 13 have a BBB rating of A or A+. Domain records put 16 websites of the technicians on this page at ten or more years old; the oldest dates from 2000. 1 offers emergency or roadside call-outs; 6 offer financing; 2 give free estimates; 7 are family- or locally-owned and 11 list coupons or special offers. We have a website on file for 23 of the technicians on this page; 17 publish a contact page; 8 list a public email and 1 takes 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.
Data verified October 10, 2026
Listed for drivers in and around Florissant, MO, 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.
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Sparks Tire & Auto
- Waiting Room
- Oil
- Diagnosis
“Awesome staff, awesome service, Jessica, Greg, and Zan (I believe) were awesome - service-excellence, consultative, honest prices, and overall solid buying process.”
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Western Tire & Auto
“I didn't realize I needed an emissions test done for my renewal and most places were booked out a week, but they were so kind to tell me to come on in and they'd fit me in!”
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Benchmark Auto Repair
“Stumbled upon a gem when we were looking for an honest and trustworthy mechanic as we were new to town and had a baby on the way and wanted to make sure our truck would be in tip too shape as our main transport for baby.”
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Autos
- Oil
- Owner
- Work
“I fancy myself a shade tree mechanic, but every time they touch one of our cars, I'm reminded how important it is to have real pros handle the serious stuff.”
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Coffey Automotive
- Fair
- Inspection
- Safety
“The shop was able get it removed in a timely manor and perform the other list of repairs I had and reinstall the part so the car could pass inspection.”
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Greg's Auto Service and Repair
“Our car battery was having trouble starting in the terribly cold weather so I called to see if I could get a new battery and they said they could replace the battery in between the other customers.”
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Aamco Transmissions & Total Car Care
- Honest
- Vehicle
- Gentleman
“Had the transmission replaced through Car Shield and although it took nearly a month,(all Car Shields delay) Rich kept me informed every step of the way.”
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Certified Motor Co
“A great place to get your car worked on.”
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Stricker Auto Center
- Work
- Mechanics
- Mind
“This was my first time buying tires and I didn't have any experience with it so I called around 4 different auto repair shops to get a sense of pricing, customer service and availability.”
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Arvin Auto Service
- Honest
- Diagnostic
- Need
“I have since had to return because my car wasn't starting and needed a starter replaced, and they fixed my car up good as new and were very nice and patient with my lack of car knowledge.”
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Phalanx Performance LLC
- Integrity
- Questions
- Honest
“If ever comes a time where I need work done under the hood I will be bringing my car all the way up from Florida because I KNOW my ride will be in the right hands.”
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Madagascar Auto Dealership
- 2011
- Chevy
- Fluid
“I've went through their business numerous times and each time I've had a phenomenal experience and couldn't be more thankful for the people who work there butts off at the establishment.”
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Helmkamp Auto Service Inc.
- Expertise
- Fair
- Tires
“Services Tires, General repairs & maintenance, Vehicle Inspection, Wheel alignment, Brakes, Auto battery maintenance, Vehicle safety inspection, Wiper blade installation, Oil change”
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Chippewa Tire
- Money
- Job
- Patched
“After Aser, the car service told us that the yantas were a little finished and we looked in 3 different places and that only by appointment and in this place it did not take more than 30 minutes to change them and have them ready”
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GLB Motorworks
- Mechanic
- Fair
- Vehicle
“A lot of dealers use them as well, which is telling”
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Certified Transmission & Auto Repair
- Diagnosed
- Towed
- Computer
“Travis Services Transmission, Air & cabin filter replacement, Exhaust, Tires, Steering & suspension repair, Electrical, Auto engine diagnostic, Brakes, Air conditioning, Battery, Oil change, Service not listed”
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Aamco Transmissions & Total Car Care
- Running
- Job
- Mechanic
“Great customer service, Dillion at the counter was very nice and helpful with the needs of my vehicle, I will definitely refer anyone to this location.”
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Rob's Discount Mufflers Inc.
“Very reasonable prices and they don't take advantage of you only fixes what's wrong and if they find something else they call and tell u before they fix it always tell my friends and family about them.”
Engine Repair Services in Florissant, MO Cost Estimates
Minimum cost
$618
Maximum cost
$4630
National Average
$1852
Avg Per Hour Rates
$91
$1595
$2572
Typical price range is based on 463 cost profiles
Why these companies made our list
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FAQ
Why do some listings show another city?
3 of the 24 shops are in Florissant itself and the rest come from other towns within 25 mi, shown with their own city. An engine job means leaving the car for days, so the drive happens once at each end rather than every morning.