TQT Diagnostic

09/21/2026

! ARE DIESEL PRICES HITTING YOUR POCKET HARD?

With fuel prices this high, every little bit of efficiency counts.

⚙️ECM Tuning & Programming
⚙️Fuel Efficiency Optimization
⚙️Diagnostics & Programming
⚙️Mobile Service Available

Every truck is different. Results may vary depending on engine setup, load, truck condition, and driving habits.

📍 DFW Area
📩 DM me for more information or to schedule a service.

09/07/2026

09/04/2026

If your truck has a warning light on, a weird code, or just isn’t running right, we’ll check it out and figure out what’s going on.

⚙️DFW
⚙️We come to your truck
⚙️Diagnostics & Programming

📩Hit me up by DM.

08/18/2026

💻 DIAGNOSTIC CAPABILITY AT TQT DIAGNOSTIC

We offer Bench Harness Solutions for Heavy Duty electronic systems.

⚙️ Direct connection to ECMs and electronic modules
⚙️ Bench power and communication testing
⚙️ Module communication verification
⚙️ Direct access to modules outside the vehicle
⚙️ Programming and configuration when applicable
🪢 Helps determine whether the issue is within the module or the truck’s electrical system

Our Bench Harness system allows us to connect directly to compatible ECMs and electronic modules outside the truck for more efficient testing and diagnostics.

📍 Dallas–Fort Worth, TX
🚐 Mobile service available
📩 Message us for more information.

TQT DIAGNOSTIC 💻⚙️

08/14/2026

⚙️ Diagnóstico realizado hoy en este Freightliner M2 con Cummins ISB 6.7 CM2250.

Realizamos un diagnóstico completo y encontramos fallas activas relacionadas con el sensor NOx y la velocidad del turbo.

También encontramos historial de fallas relacionadas con el sistema VGT del turbo, presión de admisión y otros sensores del motor.

Revisamos códigos y parámetros para orientar al cliente sobre las fallas presentes y por dónde comenzar la reparación. 💻🔧

TQT Diagnostic
📍 Dallas–Fort Worth, TX

08/10/2026