Engine Diagnostics – Eagle Transmission Garland, TX

Is your check engine light on? Don’t ignore it. At Eagle Transmission & Automotive in Garland, TX, we use advanced engine diagnostics to quickly identify problems and get you back on the road with confidence. From minor sensor issues to complex engine failures, our certified technicians have the tools and expertise to find and fix the issue the first time.


Why Engine Diagnostics Are Important

Modern vehicles rely on complex computer systems to monitor performance. When something goes wrong, your vehicle stores error codes that can only be read with professional diagnostic tools. Our state-of-the-art equipment allows us to:

  • Detect problems early before they become expensive repairs.
  • Pinpoint exact causes instead of guessing.
  • Save you time and money on unnecessary part replacements.


Why Choose Eagle Transmission Garland for Engine Diagnostics?

  • Certified ASE Technicians with years of experience
  • Advanced Diagnostic Equipment for precise results
  • Free Code Scans with most repair services
  • Transparent Explanations so you understand the issue and solution
  • Family-Owned, Local Business trusted in Garland for decades



What We Will Check During Engine Diagnostics

Eagle Transmission Garland, We do a complete engine inspection that consists of:

  • OBD-II Computer Scan - Read Trouble Codes from your vehicle’s onboard computer.
  • Fuel System Pressure Test – Injector, pump and filter performance is verified.
  • Ignition System Test – Inspects spark plugs, coils and timing to ensure combustion is optimal.
  • Sensor & Electrical Checks – Oxygen sensor testing, airflow sensor testing, and much more.
  • Emissions & Performance Testing- Your engine will comply with EPA and CARB Standards.


Not sure why your light turned on? These are among the most common issues:

  • Loose or damaged gas cap
  • Faulty oxygen sensor
  • Failing catalytic converter
  • Fouled spark plugs or bad ignition coil(s)
  • Vacuum leaks
  • Transmission-related codes

And if your car is running fine now, the long-term damage you can cause by driving with a check engine light on can lead to much bigger (and more expensive) problems down the road.

Schedule Your Engine Diagnostic in Garland, TX

📍 Address: 448 S Plano Rd, Garland, TX 75042
 📞 Phone: (972) 521-3610
 🕒 Hours: Monday – Friday: 8:00 AM – 5:00 PM
 🔗 Google Maps – Eagle Transmission Garland