TSI Diesel and Performance

06/17/2026

🚨 CHECK ENGINE LIGHT ON? 🚨

Don’t ignore the warning signs. That small issue today could become a major repair tomorrow.

At TSI Diesel & Performance, our experienced technicians use professional diagnostic equipment to quickly identify problems and get you back on the road.

🔧 Computer Diagnostics
🔧 Check Engine Light Repair
🔧 Diesel & Gas Engine Service
🔧 Brakes & Suspension
🔧 AC Service
🔧 Lift Kits, Wheels & Tires
🔧 DOT Inspections

✅ Fast Turnaround
✅ Honest Service
✅ Experienced Technicians

If your vehicle isn’t running like it should, give us a call before it leaves you stranded.

📞 866-453-6508

📍 Johnson City, TN

Tag someone who’s been driving around with a check engine light on for months. 👀

06/01/2026

🚛☀️ READY TO TOW THIS SUMMER? ☀️🚛

Don’t let a breakdown ruin your next camping trip, lake day, or family vacation.

At TSI Diesel & Performance, we’ll help make sure your truck is ready for whatever you hook behind it.

✅ Cooling System Checks
✅ Turbo Inspections
✅ Transmission Service
✅ Performance Diagnostics
✅ Diesel Repair & Maintenance

Whether you’re pulling a camper, boat, trailer, or equipment, our team can help catch small issues before they become expensive repairs.

📞 Call or Text: (877) 478-5251
🌐 www.tsi-performance.com

📍 Proudly Serving Johnson City & The Tri-Cities

Don’t risk your trip. Let us make sure your truck is ready.

Duramax TowReady SummerRoadTrip TruckLife DieselTruck JohnsonCityTN TriCitiesTN PerformanceDiesel DieselMechanic TowingSeason DieselNation FordSuperDuty WorkTruck DieselPerformance ReadyToTow

05/14/2026

🚨 Your vehicle talking to you? Don’t ignore it. 🚨

Whether it’s:
✔️ Check engine lights
✔️ Suspension issues
✔️ A/C not blowing cold
✔️ Diesel performance problems
✔️ Tires, wheels, lifts, repairs & more

The crew at TSI Diesel & Performance has you covered.

We work on gas & diesel and can help keep your vehicle road-trip and summer ready. ☀️🔥

📍 Johnson City, TN
📞 Call or message us today to get on the schedule.

TSIPerformance TruckLife Cummins Powerstroke Duramax

We are located at 2706 North Roan St Johnson City TN
Hours are 9:00 a.m. to 6:00 p.m. Monday to Fri

03/04/2026

Get ahead of the Spring rush and call us today.

Spring is here and trucks are coming out of hibernation.

We just opened a limited number of service spots before summer hits.

Right now we’re including a FREE 21-Point Diesel Inspection with any paid service.

If it’s been on your list — let’s get it handled.

📍 Johnson City
📞 423-202-9630

03/03/2026

Spring is here and trucks are coming out of hibernation.

We just opened a limited number of service spots before summer hits.

Right now we’re including a FREE 21-Point Diesel Inspection with any paid service.

If it’s been on your list — let’s get it handled.

📍 Johnson City
📞 423-202-9630

02/11/2026

We're getting close now! What are you most excited for at Official 2026 Rudy's Spring Truck Jam | April 24th - 25th ?!
👍🏻 - Outlaw Diesel Super Series drag racing🚦
❤️ - Burnout Pad 💨
🤗 - Show n' Shine ✨
or 😂 - Dyno Competition ⛓️‍💥
We've got some exciting sponsor announcements coming your way too. 👀
Rockingham Dragway is the place to be April 24-25. Tickets are available on TheFOAT 🔥

02/11/2026

🔧🚛 DOT ANNUAL INSPECTIONS NOW AVAILABLE 🚛🔧

We’re officially DOT & FMCSA compliant and ready to get your truck or fleet road-legal.

✔️ Certified inspections
✔️ Quick turnaround
✔️ Fleet friendly
✔️ Commercial & diesel vehicles

📍 2706 North Roan St, Johnson City, TN 37601
📞 423-202-9630
🌐 tsi-performance.com

Don’t risk violations or downtime — get inspected by pros who work on diesel every day.

12/15/2025

10/07/2025

Another busy day at the shop!!! Call us today for all your automotive, diesel, and performance needs. Big to small we do it all from minor issues to major diagnostics we can take care of you.