Vehicle Testing ServicesTopel’s Towing & Repair
When your check engine light comes on, it’s your car’s way of telling you something isn’t right. At Topel’s Towing & Repair, we specialize in comprehensive vehicle testing to uncover and resolve the root causes of what’s wrong with your car. Using advanced tools and techniques, we offer thorough testing and analysis to keep your vehicle safe and performing at its best.
Ignoring a check engine light can lead to costly repairs, reduced performance, and even safety risks. Our vehicle testing services ensure small issues are addressed before they become major problems, helping you avoid unnecessary stress and expenses. With over 75 years of trusted service in Lake Mills, WI, and the surrounding areas, you can rely on our expertise to keep your car road-ready.

Common Check Engine Light Issues and Indicators
A check engine light can illuminate for a wide range of reasons, from minor inconveniences to critical system failures. Here are some of the most common issues:
Loose or Damaged Gas Cap
This simple issue can reduce fuel efficiency and trigger the light.
Oxygen Sensor Failure
A faulty sensor affects engine performance and emissions.
Catalytic Converter Problems
Damage to this critical component can lead to overheating and increased emissions.
Mass Airflow Sensor Issues
This impacts fuel economy and may cause stalling or rough idling.
Ignition Coil or Spark Plug Problems
Leads to engine misfires, poor acceleration, and reduced power.
Other Warning Signs to Watch For
- Decreased Fuel Efficiency: A noticeable drop in mileage.
- Strange Engine Noises or Vibrations: Indicating potential mechanical or electrical problems.
- Rough Idling or Stalling: Often associated with sensor or ignition issues.
- Exhaust Smoke: May signal burning oil or other engine problems.
If you notice these signs, don’t wait. Schedule vehicle testing at Topel’s to identify and resolve the issue promptly.
Why Choose Topel’s for Vehicle Testing?
When it comes to resolving check engine light issues, Topel’s is the trusted choice in Lake Mills, WI. Here’s what sets us apart:
Experienced Technicians
Our ASE-certified team undergoes over 100 hours of training annually, staying ahead of industry advancements to provide expert care for your vehicle.
Comprehensive Warranty
All services are backed by a 36-month/36,000-mile Nationwide Limited Repair Warranty, giving you confidence in our work.
Transparent Communication
With Digital Vehicle Inspections (DVIs), we provide photos and detailed explanations, so you understand exactly what’s happening with your car.
Convenience First
We make vehicle care stress-free with free pick-up and delivery, loaner cars, shuttle services, and a comfortable waiting room.
Flexible Financing Options
Topel’s offers CFNA/First Mile financing, allowing you to spread the cost of repairs and services over time. This convenient option ensures your vehicle gets the care it needs without straining your budget.
At Topel’s, we believe in empowering our customers with clear information and top-tier service to keep their vehicles in top shape.
Reliable 24/7 Towing & Roadside Assistance
At Topel’s Towing and Repair, we provide 24/7 light and medium-duty towing and winch-out services to keep you safe on the road. Whether you’re dealing with a breakdown, accident, flat tire, dead battery, lockout, or a vehicle stuck in a ditch, our trusted orange-and-white fleet is ready to assist.
We proudly serve Aztalan, Cambridge, Deerfield, Grellton, Helenville, Jefferson, Johnson Creek, Kroghville, Lake Mills, Lake Ripley, London, Marshall, Milford, Oakland, and Waterloo. Plus, if you choose our repair services, you’ll receive a discount on towing.
For fast, professional towing and roadside assistance, call us anytime at 920-648-8115. Wherever you are, we’ll get you back on the road!
Learn more about our professional towing services by visiting our What to Expect | Towing page.
What to Expect During Your Visit
At Topel’s, we prioritize transparency and convenience at every step. When you bring your vehicle to us for testing, here’s what you can expect:
Easy Scheduling
Book your appointment online or call us to set up a convenient time.
Comprehensive Testing
We’ll thoroughly analyze your vehicle’s systems to identify and address any issues.
Clear Results
Through our Digital Vehicle Inspections (DVIs), you’ll receive detailed photos and reports explaining our findings.
For more details, visit our What to Expect | Service page to see how we make every step of the process seamless.
Confidence Backed by a Warranty
Every repair at Topel’s is backed by a nation-wide 3-year, 36,000-mile warranty, giving you peace of mind long after you leave our shop.
Schedule Your Vehicle Testing
in Lake Mills Today!
Don’t let a check engine light or unresolved car issues disrupt your plans. Contact Topel’s Towing & Repair in Lake Mills, WI, for professional vehicle testing and expert care.
Visit us: 1110 S Main St, Lake Mills, WI, 53551
Call Us: (920)-648-8115
Book Online: Schedule your appointment conveniently through our website.
At Topel’s, we combine advanced technology with a personal touch to keep your vehicle performing at its best. Come experience the Topel’s difference, and let us provide the peace of mind you need for every mile ahead!