Ryan's Performance & Diesel Service
Central Texas Mobile Diesel Repair
Central Texas Mobile Diesel Repair
Mobile diesel repair and diagnostics for trucks, equipment, and fleets across Central Texas. Heavy equipment, aftertreatment systems, and preventive maintenance — done right the first time.
From roadside diagnostics to scheduled fleet maintenance, we handle the full range of diesel repair — at your location or in our shop.
Broken down on the side of the road or on a job site? We bring the shop to you. Fully equipped mobile service for trucks and commercial vehicles across Central Texas.
Excavators, loaders, dozers, and more. We diagnose and repair heavy equipment diesel engines to keep your job site running and your downtime minimal.
Fault codes and live data analysis to find root causes — not just symptoms. Advanced scanner capabilities for all major OEMs including Cummins, Duramax, and Power Stroke.
DPF, DOC, SCR, and EGR diagnosis and repair. We handle regen issues, failed emissions components, and check engine lights tied to aftertreatment systems.
Scheduled maintenance programs for fleets of any size. Oil changes, filter services, inspections, and preventive care designed to keep your trucks on the road and out of the shop.
Truck won't start? Stuck on the highway? Fast-response mobile service to get you back up and running. One call and we're on the way.
Ryan's Performance & Diesel Service is a Central Texas-based diesel repair shop built on one principle: find the root cause, not just the symptom.
With years of hands-on experience on everything from light-duty pickups to heavy equipment, we've seen it all — and we've learned that proper diagnostics save more money than any repair ever could. That's why we invest the time to read the codes, watch the live data, and trace the problem to its source before turning a single wrench.
Whether you're an owner-operator, a fleet manager, or running a piece of heavy equipment, you get the same honest, no-fluff service.
Built from real shop experience. Download instantly and start diagnosing smarter today.
The complete guide to reading fault codes and live data together. PID reference tables, 4 worked diagnostic examples, printable cheat sheet, and scanner recommendations.
Everything: the full guide PLUS 6 printable diagnostic flowcharts. Covers P0087, P0401, P2002, P0299, hard starting, and excessive smoke. Save $17 vs. buying separately.
6 printable decision-tree flowcharts for the most common diesel faults. Step-by-step from code to root cause. Color-coded, shop-floor ready. Instant download.
Based in Central Texas, we provide mobile diesel repair throughout the region — if you're near any of these areas, we can get to you.
Need diesel repair or have a question? Call us directly or send a message — we'll get back to you fast.
Central Texas — Austin, San Antonio & surrounding
Mon–Fri: 7am–6pm
Sat: By appointment only
Sun: Emergency calls only
We come to your location — job site, roadside, or fleet yard
For fastest response, call or text (830) 351-5142