About Demented Diesel & Auto
Demented Diesel & Auto handles diesel engine repair, turbo repair, hydraulic repair, and DOT inspections for owner-operators and fleet vehicles across the Nampa, Idaho area. Located on Caldwell Boulevard in Nampa, the shop serves the I-84 corridor and surrounding communities where freight and agricultural equipment depend on diesel powertrains. Service coverage extends across a 15-mile radius, including Caldwell, Marsing, Meridian, Notus, and Boise. Call (208) 453-6408 to schedule diesel service.
Gallery

Our Services
Hydraulic Repair
DOT Inspections
Diesel Engine Repair
Turbo Repair
Diesel Specialist
Customer Reviews
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Verified Customer
Google Review
I'm impressed so far. Had my truck in another shop and got a 30 grand quote. Had it hauled to them and saved 7 grand. I know i made the correct decision. I'll update the review after I get my Baby truck "as my granddaughter calls it" I've ...
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Verified Customer
Google Review
Three visits, two different trucks. Great guys. Work was quality, fast more than fair pricing. These guys are very knowledgeable and know what they are doing. Polite and great to work with.
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Verified Customer
Google Review
Fair pricing and excellent work done on my Audi. I highly recommend these guys for all of your vehicle maintenance and repair needs.