Diesel Repair in Monett, MO
Diesel pickups are built to work, and when one starts smoking, losing power, or refusing to start, it usually means you're losing work too. Dons Diesel & Auto handles diesel repair in Monett, MO for light-duty diesel trucks from all over Lawrence County and the surrounding counties.
Diesel Repair for Monett & Lawrence County
Diesel is in our name for a reason. We spend our days chasing down fuel problems, boost leaks, emissions faults and the no-start, low-power headaches that come with modern diesels. Owner Landyn Himes has over 10 years of experience working on these trucks.
We diagnose first, explain what's going on in plain English, and give you a straight answer on what it'll take.
Diesel pickup repair we handle
- Diesel diagnostics and code reading
- Fuel injector testing and replacement
- Turbocharger diagnosis, boost leaks and turbo replacement
- EGR valve and EGR cooler problems
- DPF (diesel particulate filter) issues and regen problems
- DEF / SCR system faults and warnings
- Fuel system repair: lift pumps, high-pressure pumps, filters, water in fuel
- No-start, hard-start and low-power diagnosis
- Glow plugs, cooling systems and general engine repair
How it works
Our process
- 01
Tell us the symptoms
Call and describe what the truck is doing: smoke color, warning lights, when it started.
- 02
Test, don't guess
We scan, test and inspect the fuel, air and emissions systems to pin down the root cause.
- 03
Clear options
We explain the problem and the repair, and you approve before we start.
- 04
Repair and verify
We make the repair and confirm the truck is running right before you pick it up.
Who we serve
Diesel pickup owners
Three-quarter and one-ton diesel trucks used for towing, hauling and daily driving.
Farmers and ranchers
Trucks that pull trailers and feed loads and can't be down for long.
Contractors and tradesmen
Work trucks carrying tools, equipment and crews every day.
Hot shot and towing setups
Trucks that see heavy loads and long miles.
If your diesel breaks down away from the shop, we also offer mobile mechanic and roadside service. Call and we'll talk through whether it makes sense to fix it where it sits or get it in.
We're open Monday through Friday 8 to 5 and Saturday 8 to noon. Se habla español.
Areas served
We serve about 50 miles around Monett, including:
- Monett, MO
- Aurora, MO
- Mount Vernon, MO
- Cassville, MO
- Pierce City, MO
- Republic, MO
- Marionville, MO
- Verona, MO
Related services
Diesel Repair FAQ
What kinds of diesel trucks do you work on?
Light-duty diesel pickups like three-quarter and one-ton trucks, plus commercial diesel trucks and semis.
My DEF or DPF light is on. Can I keep driving?
It depends on the warning. Some lead to limp mode or a derate. Call us at (417) 205-3705 and describe the message so we can tell you if it should come in right away.
Why is my diesel losing power?
Common causes include fuel supply problems, boost leaks, turbo issues, clogged filters, and EGR or DPF faults. We test to find which one it is.
Do you replace injectors and turbos?
Yes. We diagnose injector and turbo problems and handle replacement when it's needed.
Can you come to my truck if it won't start?
Often, yes. We offer mobile mechanic service within about 50 miles of Monett. Call and we'll figure out the best plan.
Need diesel repair? Call now.
Fastest way to get help is a phone call. In the shop, on-site, or on the side of the road.