Auto Diagnostic Services

Littleton, CO Area

Same-Day Free Estimates 

Loaner Cars and Free Towing Available 

ASE Master Technicians

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Find the Fix Fast With Diagnostic Testing


At Littleton Auto Repair, we offer thorough auto diagnostic services to keep your vehicle running smoothly. Our diagnostic equipment and skilled technicians can quickly identify and resolve issues with your car's performance. We provide:


  • Engine diagnostics
  • Electrical system analysis
  • Transmission diagnostics
  • ABS and brake system checks
  • Emissions testing
  • Computer system diagnostics
  • Fuel system analysis


Contact Littleton Auto Repair for accurate diagnostics and efficient repairs.


Why Auto Diagnostics Should Be Your Go-To Service


Regular auto diagnostics are crucial for maintaining your vehicle's performance and longevity. Here's why you should consider our diagnostic services:


  • Early detection of potential issues
  • Improved fuel efficiency
  • Extended vehicle lifespan
  • Enhanced safety on the road
  • Reduced repair costs in the long run
  • Optimized vehicle performance


Our advanced diagnostic tools and experienced technicians provide accurate problem identification and efficient solutions. Don't wait for small issues to become major problems.


Why Drivers Rely on Our Diagnostic Process


Choosing Littleton Auto Repair for your auto diagnostic needs offers numerous advantages:


  • Same-day free estimates
  • Loaner cars and free towing available
  • ASE master technicians
  • Same-day services may be available
  • Lifetime warranty on repairs
  • Free car washes with service
  • Over 50 years of combined experience
  • Locally and family-owned business


Book Your Diagnostic Appointment Today


Don't let vehicle issues compromise your safety or convenience. Our team is ready to provide assistance and get your vehicle back to performing at its best. Schedule your diagnostic appointment today and experience the difference of professional, reliable auto care. Reach out to Littleton Auto Repair for our auto diagnostic services.

$25 Off for New Customers

Welcome to Littleton's trusted auto repair shop. First-time customers save $25 on any service.

Call to Schedule Service and Redeem

Not valid with any other offers or promotions. Restrictions apply. Must mention this coupon at the time of scheduling.

(720) 440-8140

  • What is included in an auto diagnostic service?

    An auto diagnostic service at Littleton Auto Repair includes a comprehensive scan of your vehicle's computer system, analysis of error codes, inspection of major components, and testing of various systems such as engine, transmission, and electrical. Our ASE master technicians use advanced diagnostic tools to identify any issues and provide a detailed report of findings.

  • How long does an auto diagnostic test take?

    The duration of an auto diagnostic test can vary depending on the complexity of the issue and the type of vehicle. At Littleton Auto Repair, a basic diagnostic scan typically takes about 30 minutes to an hour. However, more in-depth diagnostics may require additional time. We strive to provide efficient service and offer same-day diagnostics when possible.

  • Can I drive my car if the check engine light is on?

    While it may be possible to drive your car with the check engine light on, it's not recommended. The light indicates a potential issue that could worsen if ignored. At Littleton Auto Repair, we advise bringing your vehicle in for a diagnostic check as soon as possible when you see this warning light. We offer free towing services if you're concerned about driving your vehicle to our shop.