Check Engine Light Diagnostics

Contact for Services

  • Car's air conditioning unit disassembled on a shop floor; components include vents, fan, and ducting.

Check Engine Light Diagnostics in Meriden, Middletown, Durham, Middlefield, Southington, CT

Has your check engine light come on?

Not sure what’s wrong with your car?

Let our diagnostic specialists help!


At Safe Auto Services, we know how stressful it can be when your check engine light suddenly appears. That little light could mean something as simple as a loose gas cap—or something much more serious affecting your engine’s performance and safety. Ignoring it can lead to costly repairs down the road. Don’t leave it to chance. Trust our expert technicians to diagnose the issue quickly and accurately.


We’ve been serving drivers in Meriden, Wallingford, and surrounding Connecticut areas with reliable automotive diagnostics and repairs since 1990. Learn more about how we handle check engine light services below.

CALL US NOW
  • Dashboard with illuminated orange

Check Engine Light Diagnostics

When your check engine light turns on, our team uses advanced diagnostic tools to read your vehicle’s error codes and identify the root cause of the problem. From minor issues to complex engine concerns, we provide you with clear answers and honest recommendations for the next steps.


Our licensed and certified technicians handle everything from oxygen sensor failures and catalytic converter problems to ignition coil or mass airflow sensor issues. We ensure that your car is safe, efficient, and running at its best.

Honest Repairs & Clear Explanations

Sometimes the issue is a quick fix; other times, parts may need repair or replacement. Either way, we will walk you through your options and explain the problem in plain language—never upselling or recommending unnecessary work. Every repair is backed by our 24-month or 24,000-mile warranty, giving you peace of mind long after you leave the shop

GET A QUOTE
  • Mechanic using a multimeter to test a car engine in a garage.

Don’t Ignore That Light

If your check engine light is flashing or staying on, don’t wait for the problem to get worse—bring your vehicle in today! We’ll perform a full diagnostic check, explain what’s happening, and get you back on the road safely.


Our team has decades of hands-on experience with all makes and models, and we’re always happy to answer your questions and recommend solutions that fit your needs and budget. Call us today to schedule your check engine light diagnostic and protect your vehicle from further damage!

Our Satisfied Clients

All work goes to Carfax

Read Carfax Reviews