Engine Repair in Logan, UT
From a check engine light to a full rebuild, our ASE-certified Logan techs find the real problem first. Free check engine scan, 12-month / 12,000-mile warranty*.
601 N Main St, Logan, UT 84321 · Get Directions
Mon-Fri 8:00am-5:30pm | Sat Closed | Sun Closed ·
- Waiting room
- Free Wi-Fi
- Walk-ins welcome
- Online booking
12-month / 12,000-mile warranty* on parts & labor
Honored at every Master AutoTech location · Serving Utah and Idaho since 1963
*Exclusions apply. Ask your service advisor for full warranty terms.
- ASE Certified Technicians
- Best of State Utah
- Top Workplaces
- Family Owned Since 1963
Master AutoTech Logan diagnoses and repairs engines on cars, trucks and SUVs for drivers across Logan, North Logan and Providence, from a misfire or oil leak to a full rebuild. We start with a free check engine light scan, explain what we find, and back engine repairs with our 12-month / 12,000-mile warranty*.
When a check engine light comes on during the commute, our shop is easy to reach: we’re on North Main Street at 600 North, a short drive from US-89/91. Pull in for a free code scan and we’ll tell you what it means.
Engine Repair Services We Offer
Engine diagnostics
Free check engine light scan, then hands-on testing to find the root cause, not just the code.
Engine repairs
Ignition, fuel system, sensors, gaskets, timing components and more, repaired with quality parts.
Oil & coolant leaks
Valve cover, oil pan, head gasket and water pump leaks traced and sealed.
Cooling system
Thermostats, radiators, hoses and water pumps to stop overheating.
Engine rebuilds
Inspection, machining and reassembly to factory specifications when repair isn’t enough.
Preventive maintenance
Oil changes, filters, belts and tune-ups that keep small problems from becoming big ones.
Signs You Need Engine Repair
Most engine problems give you warning first, and catching them early often means a repair instead of a rebuild. Here’s what the common signs usually point to:
- Check engine lightSteady can mean anything from a loose gas cap to a failing sensor. Flashing means an active misfire: stop driving and call us.
- Knocking, ticking or grindingWorn internal parts, low oil or valve train problems.
- Loss of power or hesitationUsually the fuel or ignition system.
- Rough idle or stallingIgnition, fuel or vacuum leaks, often with vibration at a stop.
- Overheating or steamA bad thermostat, water pump, radiator or a coolant leak.
- Hard startingEspecially on cold mornings: the battery, starter, ignition or fuel delivery.
- Fluid spots or burning smellsOil, coolant or other fluids leaking, sometimes onto hot engine parts.
- A sudden drop in MPGFaulty sensors, fuel system problems or worn parts.
- Vibration at speedEngine mounts, misfires or a transmission problem.
- Visible damageCracked hoses, worn belts or loose wiring under the hood.
What your exhaust smoke color means: blue usually means burning oil from worn piston rings or valve seals; white can mean coolant in the combustion chamber from a failing head gasket; black means the engine is running too rich, often a fuel injection or air intake problem.
How Much Does Engine Repair Cost in Logan?
Engine repair costs range widely, from a sensor or ignition coil to a head gasket or rebuild. The biggest factors are what failed, how much labor it takes to reach, your vehicle’s make and engine, and the parts grade. That’s why we diagnose first. The check engine light scan is free, and we give you an estimate before any repair begins.
Need to spread out the cost? Master AutoTech offers several financing options, including the Goodyear Credit Card (6-month special financing on purchases of $250 or more), the Synchrony Car Care credit card, the 1stMILE Mastercard, Snap Finance, Acima, Surepay and RC Willey financing.
Why Choose Master AutoTech Logan for Engine Repair
Diagnose before we repair
A free scan plus hands-on testing, so you pay for the fix you need and nothing else.
ASE-certified technicians
Every Logan tech must earn ASE certification within 90 days of joining.
Honest advice
If a repair can wait, we’ll tell you. If it can’t, we’ll show you why.
Utah family business since 1963
Backed by the state’s largest auto repair franchise and our 12-month / 12,000-mile warranty*.
What Logan Drivers Say
“The new owners here are great! Jeremy was kind and professional and went the extra mile – he even gave my toddler a popsicle while we waited. They gave us a great price and were very quick and helpful. The waiting room and bathroom were clean and newly renovated. I would definitely recommend this shop to anyone in Logan!”
Sarah Peterson
“Needed a muffler installed they did an excellent job! The price was very reasonable as well, very happy!”
Vedder Song
“I’m in the middle of a tricky rebuild on a classic and needed some very precise exhaust parts bent. I made templates but even still wasn’t 100% sure they would work. Jeremy did an exceptional job bending the parts as close to my templates as possible. After fitting them back at my shop I found that some adjustments were needed (not his fault). This happened a few times as I refined the fit. Each time Jeremy very patiently helped me out until I got the fit I needed. I definitely will be back and will recommend this shop to others.”
Jeremy Jenkins
Trust your engine with a master mechanic
Check engine light on? Book a free scan or call 435-485-9946.
How Often Should Your Engine Be Serviced?
Most engine repairs start as skipped maintenance. Utah’s dry air and temperature swings dry out belts and hoses, and short winter trips are hard on oil. Follow your owner’s manual, and use this as a guide:
| Service | Typical interval |
|---|---|
| Oil & filter change | 3,000–7,500 miles depending on oil type |
| Engine air filter | Every 15,000–30,000 miles, sooner on dusty roads |
| Spark plugs | Every 30,000–100,000 miles depending on plug type |
| Timing belt (if equipped) | Every 60,000–100,000 miles |
| Coolant flush | Every 30,000–60,000 miles |
About Master AutoTech Logan
We’re a family-owned shop that treats every vehicle like it belongs to a neighbor. Master AutoTech started as Master Muffler in 1963 and grew into Utah’s largest auto repair franchise. Every technician here earns ASE certification within 90 days of joining the team.
You’ll find us on North Main Street at 600 North, a few blocks north of downtown Logan and the Logan Library. Look for our red Master AutoTech tower on Main Street and pull into our lot.
Wait in our waiting room with free Wi-Fi, or step out while we work: Salad Spot, Romo’s and Café Zupas are a short walk away. We take care of drivers from Logan, North Logan, Providence, Smithfield and Hyde Park every day.
Download the Master AutoTech app and earn rewards
- Rewards & offersOffers and rewards land right in the app, not in a drawer full of coupons.
- Check-engine alertsSee the actual codes your car is throwing and message the shop about them.
- Maintenance trackingKnow what’s due and what’s overdue, with a weekly report on your vehicle.
- Glove BoxKeep registration, insurance and service records in one place.
How to get rewards: download the free app and your offers and rewards land right in it, ready to use at your next visit. Open the app before your visit to see what’s waiting for you. Book a Master Oil Change and get a free Master Link that connects your car to the app.
Areas We Serve
Drivers come to Master AutoTech Logan for engine repair from across Logan, North Logan and Providence.
- Logan
- North Logan
- Providence
- Smithfield
- Hyde Park
- Utah State University
- Brigham City
Mon-Fri 8:00am-5:30pm | Sat Closed | Sun Closed
Get Directions · 601 N Main St, Logan
✓ 12-month / 12,000-mile warranty* *Exclusions apply.
✓ Financing available · See options
✓ Free check engine light scan
✓ Get rewards in the Master AutoTech app
Buy 3 Tires, Get the 4th Free
Buy 3 tires, get the 4th free, Oct 1 – Dec 31.
Ends December 31, 2026 · Details
Nearby Master AutoTech Locations
Master AutoTech Brigham City
19.5 miles away
21 W 700 S
Brigham City, UT 84302
Master AutoTech Downtown Ogden
36.1 miles away
2003 Washington Blvd
Ogden, UT 84401
Master AutoTech Pocatello
83.6 miles away
105 N 4th Ave
Pocatello, ID 83201
Other Services at This Location
Frequently Asked Questions
Visit Master AutoTech Logan
Master AutoTech Logan
601 N Main St
Logan, UT 84321
Get Directions
Mon-Fri 8:00am-5:30pm
Sat Closed
Sun Closed
Getting here
- From downtown Logan: Head north on Main Street; we’re at 601 North Main.
- From North Logan: Head south on Main Street; we’re at 600 North.
- Parking: Pull into our lot on Main Street, in front of the red tower.
