Exhaust System Repair in Lone Rock, WI

Is your truck louder than usual or triggering the check engine light? You may be dealing with exhaust issues. This page walks you through the signs, causes, and solutions for exhaust repair in Lone Rock, WI.

Truck Exhaust Repair in Lone Rock, WI

The exhaust system plays a critical role in managing emissions, boosting fuel efficiency, and keeping your truck running smoothly. Whether you're hearing rattling under the vehicle, smelling strong fumes in the cab, or noticing a sudden dip in power, these are all signs that it’s time to check your exhaust system.

At GJ's Service, we understand the full layout of your exhaust—from the exhaust manifold to the muffler, and everything in between. Our team can help resolve common problems like exhaust leak repair, diesel particulate filter cleaning, or exhaust pipe repair. We also handle complex issues tied to your aftertreatment system repair, ensuring compliance with emissions regulations.

Common signs of failure include:

  • Sudden increase in engine noise
  • Decreased fuel economy
  • Noticeable smell of exhaust gases inside the cab
  • Check engine light related to emissions sensors

If you've been dealing with these, don't wait—problems with components like the EGR valve or SCR system can quickly escalate and lead to more costly repairs. Emissions control system repair isn't just a compliance concern—it protects your engine, performance, and safety.

What Makes Us Different

At GJ's Service, it's not just about fixing your truck—it's about taking care of you. We’re known throughout Lone Rock and beyond for the unmatched quality of our work, and we don’t take that reputation lightly. When your truck is in our hands, we treat it like it’s our own. Every repair is done with attention to detail, and no corners are cut.

Our customers return because they know they’re not just another name on the schedule. We take the time to explain issues clearly and offer solutions that fit your schedule and budget. It’s a family-oriented environment, and that means we value long-term relationships over quick fixes.

We believe that every operator and manager deserves peace of mind knowing their vehicle is in the best shape possible. That’s why we go the extra mile to ensure that you're fully informed and satisfied with our service. You’ll never be rushed out the door or left in the dark about your repair.

Contact Us About Semi Truck Exhaust Repair Now: Call 608-583-2200!

If you’re noticing unusual noises or smells—or if your dash is lighting up with exhaust-related warnings—don’t wait. Call 608-583-2200 today to speak with our team about semi truck exhaust repair. Let us help you get back on the road safely and confidently.

FAQs

What Areas Do You Serve For Exhaust Repair?

We are based at 420 East Forest Street, Lone Rock, WI, near the intersections of State Road 130 and County Road JJ. But we also proudly serve the following areas: Spring Green, WI; Gotham, WI; Sauk County, WI; Iowa County, WI; and Richland County, WI.

Is It OK To Drive With An Exhaust Leak?

Driving with an exhaust leak isn't just noisy—it can be dangerous. Fumes like carbon monoxide can seep into the cab and pose serious health risks. Over time, an unresolved leak can also reduce fuel efficiency and damage other parts of the exhaust system. It's best to get it checked out immediately.

Will An Exhaust Leak Cause A Check Engine Light?

Yes, it can. Modern trucks have sensors that monitor emissions and engine performance. If there's a drop in exhaust pressure or an imbalance in emissions readings, your engine control module will likely trigger a check engine warning. Always address this quickly to avoid further issues.

Schedule Your Exhaust Repair Today

Don’t let a faulty exhaust system put your truck—and your safety—at risk. Call 608-583-2200 now to schedule your repair, or drop by GJ’s Service during regular business hours. We’re here to help get your vehicle running smoothly again.

Diesel Repairs in Lone Rock, WI

Repairs

If your diesel-powered vehicle is underperforming, producing odd noises, or struggling to start, don’t ignore the signs—these could be early indicators of deeper engine trouble.

Don't Take our word for it.
Read Customer Testimonials.

"Awesome crew! Had a tire leaking 1 of the mechanics was waiting for me when I got there and went straight to work on it. If I have a problem in that area again I know right where I'm going."

Jacob Eckert

"Nicest friendliest hard-working bunch of folks I ever met. They got me in and out so fast. Highly recommend coming here if you need anything for your trucking business."

Karev Inc

"Awesome shop, I'm from out of town and needed help with a check engine light. They got me in right this morning at opening checked it out for. Thanks for the help guys"

Joshua Arndt

Contact Us

Let us know what is going on with your vehicle, and we will get back to you soon with a quote.

Contact Information

Phone Number

608-583-2200

Hours

Mon - Fri: 7AM - 5PM

Location

420 East Forest Street. Lone Rock, WI. 53556
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