What qualifies: This inspection covers diesel-powered light-duty pickups and SUVs (under 1-ton GVWR). If you’re unsure whether your vehicle qualifies, call or text 541-357-8066 and I’ll tell you straight.
Mobile Diesel Truck Pre-Purchase Inspections in Oregon
Buying a Power Stroke, Duramax, or Cummins? Get an independent diesel truck inspection before money changes hands — turbo, injector, and emissions diagnostics plus a DOT-style structural walk-around, backed by 35 years of automotive experience across many disciplines and 15+ years of professional inspection work.
Get an Instant QuoteDiesel Truck Inspection — $249.99.

Why You Need a Diesel Truck Inspection Before You Buy
A used diesel truck can be the hardest-working vehicle you ever own — or the most expensive lesson you ever buy. Modern Power Stroke, Duramax, and Cummins trucks hide their costliest problems behind a strong test drive and a freshly detailed engine bay: worn injectors, a tired turbo, a clogged DPF, or a high-pressure fuel pump living on borrowed time.
Work trucks earn their wear honestly — high idle hours that never show on the odometer, frame stress from years of heavy towing, front-end components worn loose, and emissions equipment that has been deleted, tuned, or neglected. Remote buyers face an added risk: stolen listing photos, ghost inventories, and deposits wired on trucks that do not exist.
A mobile diesel truck inspection from Precision Auto Inspect puts 35 years of automotive experience across many disciplines and 15+ years of professional inspection experience to work before you buy — an independent, on-site evaluation with diesel-specific diagnostics, a DOT-style structural and safety walk-around, and a written digital report with 100+ photos. Reports typically delivered in under 24 hours.

Common Diesel Issues We Catch in the Field
You do not need a horror story — you need to know what to look for. These are the expensive, common findings our diesel field audits are built to catch:

Turbocharger & Boost Leaks
Why it matters: a tired turbo or a leaking boot turns a strong-running truck into a multi-thousand-dollar repair.
DPF, EGR & DEF Equipment
Why it matters: emissions repairs are the priciest surprises on modern diesels — we document exactly what is installed and working.
Injectors & High-Pressure Fuel
Why it matters: injector and pump failures can cascade into five-figure engine damage if caught too late.
Engine Blow-By & Cold Start
Why it matters: blow-by is the earliest honest signal of ring and cylinder wear on a high-mileage diesel.
Frame, 4×4 & Towing Gear
Why it matters: work trucks earn their wear — we verify structure and towing hardware before you hook up a trailer.
What Your Digital Report Includes
Lead Inspector: Josh Corley IV — 35 years of automotive experience across many disciplines, 15+ years of professional inspection experience
1. VEHICLE ID & OVERVIEW
- VIN & Door-Tag Verification
- Odometer & Hour-Meter Audit
- Engine & Emissions Configuration
- Axle Ratio & Tow Package Check
2. DIESEL POWERTRAIN TELEMETRY
- Turbo Boost & Shaft Play
- Injector Balance Rates
- DPF Soot Load & Regen History
- Blow-By & Cold-Start Evaluation
3. CHASSIS & STRUCTURE
- Frame Rails, Crossmembers & Rust
- Steering, Front-End & Suspension Wear
- 4×4, Transfer Case & Differentials
- Fifth-Wheel, Hitch & Brake Controller
4. MECHANICAL & ROAD TEST
- Cold/Warm Start & Idle Quality
- Transmission Shift & Tow/Haul Mode
- Service & Trailer Brake Performance
- 100+ Photos, Video & Written Findings
What We Document in the Field
Engine & Turbo Health
Frame & Undercarriage
Fuel & Emissions Systems
Electrical & Road Test
Comprehensive Diesel Checklist: Beyond the Test Drive
| Inspection Area | What We Evaluate |
|---|---|
| Engine & Turbocharging | Cold-start behavior, turbo shaft play and boost response, intercooler piping and clamps, oil in charge tubes, and crankcase blow-by. |
| Fuel & Emissions Systems | Injector balance rates, high-pressure fuel pump health, DPF soot load and regen history, EGR and DEF operation, and delete-tune documentation. |
| Transmission & Drivetrain | Shift quality under load, tow/haul mode operation, transfer case engagement, differential and driveline condition. |
| Chassis, Frame & Towing Gear | Frame rails and crossmembers for cracks and rust, steering and front-end wear, fifth-wheel/gooseneck hitches, and trailer brake controller function. |
| Electrical & DOT Safety | Batteries and charging system, lighting compliance, service and trailer brake performance, tire age and load rating, fluid levels and condition. |
How Our Mobile Inspection Works
Get an Instant Quote
Get an instant quote online — tell us the year, make, model, and where the truck is located.
On-Site Evaluation
We come to the seller, dealer, or auction with diesel diagnostic tools and inspection gear.
Digital Report
100+ photos, diagnostic screenshots, and complete written findings. Reports typically delivered in under 24 hours.
Phone Consultation
Talk directly with your inspector about key findings before you negotiate or wire funds.
Frequently Asked Questions
What does the $249.99 Diesel Truck inspection include?
A full DOT-style walk-around: engine, transmission, and drivetrain evaluation, turbo/injector/emissions diagnostics, frame and towing-gear inspection, and a written digital report with 100+ photos. Diesel Truck inspections are $249.99.
Do you inspect deleted or tuned diesels?
Yes. We document the emissions equipment exactly as found — DPF, EGR, and DEF present, missing, or modified — and note tuning indicators, so you know precisely what you are buying. We do not install or remove emissions equipment.
How quickly will I get my report? Can I get it today?
Reports typically delivered in under 24 hours. Need it today? Same-day rush report — $50. Written report or a verbal call, your pick.
How do I book, and what is the cancellation policy?
Get an instant quote online and pick your time. Cancellations need 24-hour notice. Less than 24 hours: $75 fee, plus mileage if we’re already en route. We serve Eugene, Springfield, Cottage Grove, and surrounding Oregon.
Protect Your Diesel Investment
Don’t risk thousands on a tired turbo, worn injectors, or missing emissions equipment. Get an independent mobile diesel inspection before you buy — Diesel Truck Inspection, $249.99.
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Diesel Truck Inspection – base price $249.99
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