Reliable Diagnostics & Inspections by ASE-Certified Technicians
ER Auto & Diesel uses advanced diagnostic tools and expert knowledge to pinpoint issues quickly and accurately. Our ASE Master Technician performs thorough inspections for cars, trucks, and diesel equipment across Southern Colorado and Northern New Mexico, helping you make informed repair decisions and avoid costly surprises down the road.
Electrical Diagnostics
- Get to the root of vehicle issues with advanced electrical diagnostics.
- We use top-tier equipment to detect shorts, sensor issues, battery drain, and more.
- Serving light-duty to heavy-duty vehicles with expert troubleshooting.
Computer Diagnostics
- Modern vehicles require expert-level computer diagnostics to identify complex issues.
- We scan all systems including engine, transmission, and emissions.
- Accurate troubleshooting means quicker repairs and lower costs.
Check Engine Light
- Don’t ignore warning lights – ER Auto & Diesel diagnoses issues fast with advanced tools.
- ASE Master Technician ensures accurate results for gas and diesel engines.
- Serving Trinidad, Southern Colorado, and Northern New Mexico.
Oil Change/Inspections
- Quick, high-quality oil changes for cars, trucks, and diesel engines.
- Each service includes a full multipoint inspection to ensure peak performance.
- Schedule at our shop or book mobile oil service at your location.
Check Engine Light
- Don’t ignore warning lights – ER Auto & Diesel diagnoses issues fast with advanced tools.
- ASE Master Technician ensures accurate results for gas and diesel engines.
- Serving Trinidad, Southern Colorado, and Northern New Mexico.
Looking For Other Services?
At ER Auto & Diesel, LLC, our expertise goes beyond the services listed above. We’ve got you covered with both in-shop and 24/7 mobile auto and diesel repair services in Trinidad, CO. Reach out with your automotive or heavy-duty concerns—we’re here to find the right solution. Your satisfaction is our priority. Call us today and get back on the road with confidence!
FAQs
Yes. We use advanced diagnostic equipment to accurately identify electrical, sensor, and computer-related issues in gas and diesel vehicles of all sizes.
We scan all major systems, like the engine, transmission, emissions and more, to pinpoint problems quickly and prevent unnecessary repairs or part replacements.
A check engine light can signal anything from a loose gas cap to a serious engine or emissions issue. Our certified technicians can diagnose the cause and recommend the right fix.
Yes. We specialize in diesel diagnostics and maintenance for trucks, RVs, and heavy equipment, ensuring accurate results and reliable repairs.
Walk-ins are welcome, though appointments help us serve you faster. We also offer mobile oil change and inspection services across Trinidad and nearby areas.
You can schedule an appointment with ER Auto & Diesel, LLC by using the online appointment scheduler on our site or by giving us a call.