Diesel Engine Repair & Diagnostics in Oklahoma City, Oklahoma
When a Power Stroke starts smoking, a Cummins loses power under load, or a Duramax throws an injector code, you want a Oklahoma City shop that works on diesels every day rather than once a month. The engine and diagnostic specialists here serve Oklahoma City and nearby Oklahoma — 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.
104Diesel Engine Repair & Diagnostics Shops
21Open 24 Hours
4.3Average Rating
0Premium Shops
All Diesel Engine Repair & Diagnostics Shops in Oklahoma City
OKC SEMI TRUCK REPAIR LLC
Oklahoma City, OK
(405) 724-9921
FleetCooling
Oklahoma City, OK
24/7
(833) 869-0211
Delco Diesel Pickup Service Center
Oklahoma City, OK
(405) 232-3595
Diesel Pro Medium Duty Specialists
Oklahoma City, OK
(405) 445-6265
Surge Equipment
Oklahoma City, OK
24/7
(405) 642-7356
Diesel Auto Clinic
Oklahoma City, OK
(405) 236-0110
ESTRADAS TIRE REPAIR semi truck tire mobile service
Oklahoma City, OK
(915) 642-8585
Clean Diesel Specialists - Oklahoma City, Oklahoma
Oklahoma City, OK
(405) 946-9800
Run-Around Fleet & Automotive LLC.
Oklahoma City, OK
24/7
(817) 308-0665
Benjamin's truck service
Oklahoma City, OK
(405) 202-2129
Crawford Phillips Truck Insurance & Armada Fleet Services
Oklahoma City, OK
(405) 236-4677
Truck and Auto Specialists
Oklahoma City, OK
(405) 316-9293
Diesel mechanic
Oklahoma City, OK
(405) 202-2129
Total Equipment Repair
Oklahoma City, OK
(405) 501-7945
Underdog Fleet Maintenance
Oklahoma City, OK
24/7
(405) 312-5597
Bubba's Mobile truck & trailer repair inc
Oklahoma City, OK
24/7
(405) 501-1587
Singh Truck & Trailer repair
Oklahoma City, OK
(559) 912-3131
PRONOSS
Oklahoma City, OK
(405) 235-3573
CH&W Commercial Tire
Oklahoma City, OK
(405) 768-4581
NW Fleet Truck/Trailer Repair, Inc.
Oklahoma City, OK
(405) 722-5200
Fleet Transmissions and Auto Repair
Oklahoma City, OK
(405) 236-8809
Franklin's Automotive & Diesel Repair
Oklahoma City, OK
(405) 999-2529
OKC Fleet Services
Oklahoma City, OK
(405) 876-7003
Rapid Service Center
Oklahoma City, OK
(405) 733-1023
Gas n Gear Repair
Oklahoma City, OK
24/7
(580) 399-2557
Turbo Diesel of Oklahoma
Oklahoma City, OK
(405) 495-5656
Oklahoma Mobile Semi Repair
Oklahoma City, OK
24/7
(405) 201-7011
Innovative Auto Service - Oklahoma City OK
Oklahoma City, OK
(405) 900-5473
Inland Truck Parts & Service
Oklahoma City, OK
(405) 799-1811
M&D - Oklahoma City Turbo Shop
Oklahoma City, OK
(405) 787-1670
TRC Truck Repair Center - Oklahoma City
Oklahoma City, OK
(405) 850-0022
Black Knight Diesel Performance and Repair
Oklahoma City, OK
(405) 208-2617
RAPID TRUCK & TRAILER MOBILE REPAIR LLC
Oklahoma City, OK
24/7
(405) 669-1678
Boomer Diesel Engine
Oklahoma City, OK
(405) 948-1393
Diesel Machine
Oklahoma City, OK
(405) 235-6260
Rhynes Fleet Repair
Oklahoma City, OK
(405) 830-0226
Ditch Witch Of Oklahoma
Oklahoma City, OK
(405) 348-4633
Alpha Fleet Services
Oklahoma City, OK
24/7
(405) 213-1863
Lucky Diesel Repair and Performance
Oklahoma City, OK
(405) 655-6790
Krishna Truck & Trailer Service Center
Oklahoma City, OK
(405) 435-1527
Williams Trailer Repair
Oklahoma City, OK
(405) 677-0387
Inland Truck Parts & Service
Oklahoma City, OK
(405) 682-1362
Fleet Auto Repair
Oklahoma City, OK
(405) 634-3450
New Age Diesel
Oklahoma City, OK
(405) 476-5059
Mikey's Automotive
Oklahoma City, OK
(405) 752-2474
ASCO Equipment Inc.
Oklahoma City, OK
(405) 789-6812
P&M Truck Repair and Wash
Oklahoma City, OK
24/7
(405) 551-3320
Truck-N-Trailer
Oklahoma City, OK
(405) 912-5800
Delco Diesel Services Inc
Oklahoma City, OK
(405) 232-3595
FleetPride
Oklahoma City, OK
(405) 495-0763
R&D Truck And Trailer Repair Inc
Oklahoma City, OK
(405) 819-8036
Fleet Services
Oklahoma City, OK
(405) 232-0206
Darr Equipment Co.
Oklahoma City, OK
(405) 619-2000
Rush Truck Centers - Oklahoma City Service
Oklahoma City, OK
(405) 782-3500
Cooper Commercial Service Center
Oklahoma City, OK
(405) 832-0160
L H & D
Oklahoma City, OK
(405) 229-4568
Powertrain Company LLC
Oklahoma City, OK
(888) 725-8160
Hard Times Road Service LLC
Oklahoma City, OK
24/7
(405) 723-3332
FleetPride Service Center
Oklahoma City, OK
(405) 495-6100
Carters Engine
Oklahoma City, OK
(405) 677-6666
C&J Mobile Mechanic & Auto Repair ™
Oklahoma City, OK
(405) 305-2184
FleetPride
Oklahoma City, OK
(405) 495-6100
FleetPride
Oklahoma City, OK
(405) 672-0913
Bledsoe Truck & Trailer Repair
Oklahoma City, OK
(405) 833-0943
M&D - Oklahoma City
Oklahoma City, OK
(405) 943-8536
Blumenthal Heavy Duty Shop
Oklahoma City, OK
(405) 605-1015
A-Z Truck & Trailer Repair
Oklahoma City, OK
(405) 985-8654
Oklahoma Truck N Trailer
Oklahoma City, OK
24/7
(405) 495-8900
Warren CAT Equipment Sales, Parts & Service
Oklahoma City, OK
(405) 947-6771
Truck-N-Trailer Truck Repair Shop
Oklahoma City, OK
(405) 912-5800
D&D Truck Sales and Service
Oklahoma City, OK
(405) 794-5092
Gill Express Truck/Trailer Repair
Oklahoma City, OK
(405) 819-9550
Gill Express Truck Repair & Wash
Oklahoma City, OK
(405) 435-1527
Premier Truck Group of Oklahoma City
Oklahoma City, OK
(405) 942-8827
United Engines | Oklahoma City, OK
Oklahoma City, OK
(405) 947-3321
Big Rig Product
Oklahoma City, OK
(405) 672-0371
Bulldog Diesel & Mobile Truck Repair
Oklahoma City, OK
(405) 252-1610
Altec Service Center
Oklahoma City, OK
(405) 577-6322
Kirby-Smith Machinery, Inc.
Oklahoma City, OK
(405) 495-7820
5 STAR TRUCK AND TRAILER REPAIR SHOP
Oklahoma City, OK
(405) 510-2224
Truck Medic
Oklahoma City, OK
24/7
(405) 464-3099
Martin diesel Mechanic
Oklahoma City, OK
(405) 822-5573
TA Truck Service
Oklahoma City, OK
(405) 493-8532
Cummins Sales and Service
Oklahoma City, OK
(405) 946-4481
TA Truck Service
Oklahoma City, OK
24/7
(405) 228-7060
Anytime Anywhere Truck Repair
Oklahoma City, OK
24/7
(405) 556-1633
J & R Equipment
Oklahoma City, OK
(405) 495-5110
TA Truck Service
Oklahoma City, OK
24/7
(405) 563-9705
Rush Truck Centers - Oklahoma City
Oklahoma City, OK
(405) 782-3500
TA Travel Center
Oklahoma City, OK
24/7
(405) 324-5376
Smithey Fleet Services
Oklahoma City, OK
(405) 830-8792
Truck Doctor, Inc Mobile Truck Repair
Oklahoma City, OK
24/7
(405) 451-1184
ERS Mobile Truck Repair
Oklahoma City, OK
24/7
(405) 495-8900
AM PM Diesel Services, Inc
Oklahoma City, OK
24/7
(844) 878-2676
HOLT Truck Centers Oklahoma City
Oklahoma City, OK
(405) 236-2792
Summit Fleet - Oklahoma
Oklahoma City, OK
(866) 504-3877
Silverado Road Service Diesel & RV Repair Shop
Oklahoma City, OK
(405) 830-8792
J & R Diesel Engine LLC
Oklahoma City, OK
(405) 631-6945
Diesel Service Inc
Oklahoma City, OK
(405) 232-2711
Enterprise Fleet Management
Oklahoma City, OK
(405) 463-2900
Anytime Anywhere Truck Repair
Oklahoma City, OK
(405) 556-1633
OUHSC Fleet Services
Oklahoma City, OK
(405) 271-2344
B & F MOBILE MECHANIC LLC
Oklahoma City, OK
24/7
(405) 434-5306
Fleet Management Division
Oklahoma City, OK
(405) 521-2206
Diesel Engine Repair & Diagnostics FAQ — Oklahoma City, Oklahoma
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 Oklahoma City 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 Oklahoma City 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 Oklahoma?
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 Oklahoma 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 Oklahoma City 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.