Home > Our Services > Check Engine Light & Diagnostics
We Can Repair Any Make & Any Model
Request An Appointment

Check Engine Light and Diagnostic Services

Content reviewed by Eric Riddles, ASE Certified Advanced Engine Performance Specialist

When it comes to keeping your vehicle in optimal condition, the check engine light plays a crucial role. The check engine light is your vehicle’s way of communicating that something isn’t functioning correctly. When an issue is detected, your check engine light will illuminate. A steady light is usually indicative of a minor problem, while a flashing light typically indicates a more serious issue. Either way, it is important to have your car inspected at an auto shop near you as soon as possible to avoid further complications. At Custom Complete Automotive, we are proud to offer check engine light and diagnostic services to keep your vehicle in excellent repair.

check engine light

At our car repair shops located in Columbia, Jefferson City, and St. Louis, MO, our certified technicians understand the important role your check engine light plays in keeping your car operating properly and are equipped to provide you with expert diagnostic services.

When you bring your vehicle into one of our auto shops near you, you can expect the following check engine light and diagnostic services:
  • Inspecting and diagnosing the cause for the check engine light
  • Recommending the necessary repairs
  • Performing the required services/repairs
  • Resetting the check engine light

Common Problems Indicated by the Check Engine Light

To keep your vehicle in great and lasting condition, it is crucial to keep a close eye on the check engine light. As soon as the check engine light appears or you notice any issues, we suggest bringing your car to an experienced mechanic near you as soon as possible.

If your check engine light turns on, it could be an indicator of one or more of the following problems:
  • Catalyst system efficiency is below threshold
  • Vehicle has insufficient gas recirculation flow
  • Knock sensor circuit malfunction
  • Cylinder misfire
  • System too lean
  • System too rich
  • Problems with the mass airflow sensor
  • Gas cap is loose or damaged
  • Spark plugs or wires need replacing
  • Engine vacuum leak
  • Evaporative emissions leaks
  • Injector circuit problem
  • Major internal problems such as timing chain slipped
  • Throttle body actuator
  • Your vehicle is experiencing excessive gas consumption/release of air pollutants

Trust Our Certified Mechanics Near You

At Custom Complete Automotive, we understand that an illuminated check engine light can be a confusing and stressful situation, and the terms can become a bit jumbled. At our auto shops near you, our check engine light diagnosis will help identify what the issue is that you are experiencing. After we have identified the problem, our trusted mechanics will take the time to thoroughly explain it to you and to advise you about what parts and services are necessary to restore your car’s condition to the level it was before your issues began. Our honest, professional approach will help ensure that you do not pay for parts and services you do not need.

Don’t allow the problem and repair costs to escalate by failing to bring your car to our mechanics near Columbia, Jefferson City, and St. Louis, Missouri. To learn more about our check engine light and diagnostic services, or to schedule an appointment at one of our convenient locations, contact us today!

Our Services
Air Conditioning Service & RepairBrake Repair & ReplacementCheck Engine Light & DiagnosticsTiresElectrical RepairEngine Service, Repair & ReplacementFuel Injection & System ServiceHeating Service & RepairOil, Lube & Filter ServiceTransmission Service & Repair

custom complete automotive coupon

Our SpecialsCheck Out Our Savings!

Visit the Coupons page for a full list of our current specials.

View Coupons

Custom Complete Automotive Logo Why Custom Complete Automotive?
We Work On All Makes & Models & Tires
We Provide Accurate Diagnosis & Timely Repairs
We Offer You Unbeatable Prices
We Have Highly Qualified Technicians
We Provide A Price Match Guarantee (On Most Work)
We Are Locally & Family Owned
We Offer A 10% Student Discount
We Offer A Free Shuttle Service

Contact Us Today

We are ready when you are. Fill out the following form or call us today and our helpful team will return your inquiry shortly.