Diesel Engine Repair & Diagnostics in Sioux Falls, South Dakota
When a Power Stroke starts smoking, a Cummins loses power under load, or a Duramax throws an injector code, you want a Sioux Falls shop that works on diesels every day rather than once a month. The engine and diagnostic specialists here serve Sioux Falls and nearby South Dakota — with scan tools that read manufacturer codes, injector test benches, and mechanics who know which failures are common on your engine before they lift the hood.
37Diesel Engine Repair & Diagnostics Shops
2Open 24 Hours
4.4Average Rating
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All Diesel Engine Repair & Diagnostics Shops in Sioux Falls
Sioux Falls Super Mobile Truck Repair
Sioux Falls, SD
24/7
(605) 468-1850
AMB Truck & Trailer Center
Sioux Falls, SD
(605) 271-0131
Icon Precision Diesel, LLC
Sioux Falls, SD
(605) 213-0162
FleetPride
Sioux Falls, SD
(605) 336-0405
Fleet Pros
Sioux Falls, SD
(605) 610-9111
Dakota Iron Equipment
Sioux Falls, SD
(605) 261-4848
Tony's Diesel Service Inc
Sioux Falls, SD
(605) 332-0531
Hoffman Diesel Services
Sioux Falls, SD
(605) 331-3980
Northwest Corp.
Sioux Falls, SD
(605) 334-4700
Team Automotive
Sioux Falls, SD
(605) 271-5566
Dakota Diesel Services Inc
Sioux Falls, SD
(605) 336-6531
Titan Machinery
Sioux Falls, SD
(605) 336-3434
Bierschbach Equipment & Supply
Sioux Falls, SD
(605) 332-4466
J & W Diesel & Truck Services
Sioux Falls, SD
(605) 332-5111
Jim Hawk Truck-Trailers Inc
Sioux Falls, SD
(605) 338-6365
Bandstra Diesel Repair
Sioux Falls, SD
(605) 366-8780
General Equipment & Supplies, Inc.
Sioux Falls, SD
(605) 336-9000
RDO Equipment Co.
Sioux Falls, SD
(605) 336-2730
Vander Haag's Inc.
Sioux Falls, SD
(605) 373-5891
Butler Machinery Company
Sioux Falls, SD
(605) 336-3010
Commercial Vehicle Center - Sioux Falls Ford
Sioux Falls, SD
(605) 361-9601
North Central International, Inc.
Sioux Falls, SD
(605) 336-3820
Fleet Farm
Sioux Falls, SD
(605) 444-7200
TranSource Truck & Equipment
Sioux Falls, SD
(605) 336-2000
Zomer Truck & Trailer Sales
Sioux Falls, SD
(605) 334-0304
Cummins Sales and Service
Sioux Falls, SD
(605) 336-1715
Interstate Power Systems
Sioux Falls, SD
(605) 339-8839
Diesel Machinery Inc.
Sioux Falls, SD
(605) 336-0411
Sioux Falls Kenworth
Sioux Falls, SD
(605) 332-7112
Inland Truck Parts & Service
Sioux Falls, SD
(605) 336-1250
Sioux Falls Mobile Truck Repair
Sioux Falls, SD
24/7
(605) 591-6036
Fleet Farm Auto Service Center
Sioux Falls, SD
(605) 444-7200
Pilot Flying J Truck Care Service Center
Sioux Falls, SD
(605) 977-1438
I-State Truck Centers
Sioux Falls, SD
(605) 336-2995
Boss Truck Shop
Sioux Falls, SD
(605) 336-6198
Midwest Truck Repair
Sioux Falls, SD
(605) 366-7523
Sioux Falls Fleet Management
Sioux Falls, SD
(605) 367-8240
Diesel Engine Repair & Diagnostics FAQ — Sioux Falls, South Dakota
My check-engine light is on but the truck runs fine — do I really need a diesel diagnostic?
Yes, and sooner rather than later. On a modern diesel the light often means an emissions, sensor, or fuel-pressure fault that has not become a driveability problem yet. A Sioux Falls diesel shop can pull the code, read live data, and tell you whether it is a $40 sensor or the early sign of a failing injector. Diagnostic time is normally billed as a flat fee or one hour of labor.
How do I know a Sioux Falls shop is a real diesel specialist and not a general garage that "also does diesel"?
Ask what scan tool they use for your engine, whether they have replaced injectors on your platform this month, and how they test fuel pressure and contribution. Specialists answer in specifics — Ford IDS, Cummins INSITE, GM GDS2, balance rates, HPOP pressure. Their reviews will mention specific repairs, not just oil changes.
What are the most common engine repairs on diesel pickups in South Dakota?
Across the state the same handful of jobs come up: injector replacement, turbo actuator and vane failures, high-pressure fuel pump or CP4 failures, EGR cooler leaks, head gasket and stud jobs on 6.0 Power Strokes, and fuel contamination from bad diesel or water in the tank. Cold South Dakota mornings also expose weak glow plugs and batteries.
How long does a typical diesel engine repair take?
A diagnostic and sensor swap can be same-day. A full injector set is usually one to three days depending on parts. Turbo replacement runs one to two days. Head gaskets and in-frame rebuilds are measured in weeks, not days, because of machine-shop time — ask your Sioux Falls shop for a realistic window and whether they can source parts before you drop the truck off.
Are aftermarket parts fine for diesel engine repairs, or should I insist on OEM?
For injectors, high-pressure pumps, and turbos, most experienced mechanics steer you to OEM or a reputable remanufacturer with a real warranty — cheap injectors are the top cause of comebacks. Filters, sensors, gaskets, and hardware from a quality aftermarket brand are generally fine. Get the part brand and warranty terms in writing on the estimate.