1. Schedule Your Appointment
Whether scheduling online or over the phone be sure and let us know what you're experiencing so we can provide fast and accurate service advice.
2. Diagnostics and Inspections
Drop off your vehicle and the shop will get to work with inspections and diagnostics using the same equipment as the manufacturers to determine issues and next steps.
3. Digital Vehicle Inspection Report and Estimate
Following the diagnosis we will text you a digital vehicle inspection report, containing pictures and videos of our findings and recommendations.
4. Review and Approval
A service advisor will reach out to walk you through the findings and recommendations to determine how you would like to proceed, or you can approve work directly in your DVI.
5. Work Performed or Scheduled
Most work can be completed immediately, or scheduled based on parts and customer availability.
Why Oviedo Drivers Trust Christian Brothers Automotive Oviedo for Check Engine Light Diagnostics
Transparency isn’t just a word we use. Our DVI process means you see exactly what our technicians see before any work begins. No surprises, no repairs you didn’t authorize.
Nice Difference Warranty
All work is covered by our Nice Difference Warranty: 3 years or 36,000 miles, whichever occurs last, honored at any Christian Brothers Automotive location nationwide. You’re protected well beyond Oviedo.
Extended Warranty Coverage
We work with all major extended warranty providers. Confirm your coverage when you schedule, and we can handle the process from there.
Complimentary Shuttle Service
Drop your vehicle off and head to work, home, or wherever you need to be. Our shuttle keeps your day moving while we handle the diagnostic.
Comfortable Waiting Lounge
Prefer to stay? Our lounge has free Wi-Fi and refreshments so waiting doesn’t feel like waiting.
Common Reasons a Check Engine Light Comes On
Your vehicle’s OBD-II system monitors dozens of sensors continuously. When a reading falls outside the expected range, it stores a diagnostic trouble code and turns on the warning light. A steady light typically signals a non-urgent issue worth inspecting soon. A flashing light is different: it indicates an active engine misfire that can damage the catalytic converter and warrants prompt attention.
Common triggers include:
- A Loose or Missing Gas Cap
- A Failing Oxygen Sensor
- A Misfiring Cylinder
- A Faulty Catalytic Converter
- Problems with Ignition Coils and Fuel Injectors
Central Florida heat accelerates wear on sensors, seals, and cooling system components, which contributes to warning light triggers over time. The range of possible causes is wide, which is exactly why a professional diagnostic matters.
A code reader at a parts store can tell you which system registered a fault. It can’t tell you whether the problem is a bad sensor, a wiring issue, an exhaust leak, or a failed connector. Those distinctions require hands-on testing, and getting them right is what prevents unnecessary parts replacements.
Full Service Diagnostic Testing vs. a Basic Code Scan
A stored code identifies the system that reported a malfunction, not the specific part that failed. The same code can have multiple root causes, and replacing a component based on the code alone, without further testing, often leaves the underlying problem unresolved and adds expense for the driver.
Our technicians go further. During check engine light diagnostics, we check manufacturer-issued Technical Service Bulletins (TSBs), which document known patterns for specific codes and vehicle models. After any repair, we clear the stored codes and verify the result with a test drive to check whether the light returns. We also perform a complete scan of all stored codes, since systems including the transmission, ABS, and emissions can all contribute to a warning light.
Schedule Check Engine Light Service in Oviedo
If your check engine light is on, Christian Brothers Automotive Oviedo is ready to help. We serve drivers in Oviedo and the surrounding Winter Springs area. Our DVI process and complimentary shuttle make it easy to fit a diagnostic visit into a busy day. Schedule online or call us at (407) 917-1248.
Your Local Christian Brothers Amenities
FAQs
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Q. "What is the difference between a steadily lit and a flashing check engine light?"A steadily lit light means that a sensor is sending a signal to your vehicle's computer that something is wrong or it could simply mean that the sensor is out. If your check engine light is flashing, however, that means there is a serious issue and you should stop driving immediately.
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Q. "Why is my check engine light on but nothing seems to be wrong with my vehicle?"If nothing within your vehicle stands out, then it is possible that it is just a minor issue such as a loose gas cap or a bad O2 sensor. It is still recommended to see a mechanic if the light doesn't disappear to check for any larger issues.
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Q. "Do you offer a warranty?"As part of our Nice difference.® commitment to providing our customers the best auto service experience possible, we also offer a3-year/36,000-mile warranty on all the work that we do. We offer this warranty at every Christian Brothers Automotive nationwide, and it will be honored at any location, regardless of which branch did the initial work.
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Q. "Can you provide service under my extended warranty?"Yes. At Christian Brothers Automotive, we work with all major extended warranty providers to make needed repairs for our customers. If you have an extended warranty, you can discuss your carrier with our team when scheduling an appointment and confirm that the work will be covered. You can find a partial list of the extended warranty companies we work with here.
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Q. "What to do if your check engine light turns on?"We recommend heading to your local auto shop as soon as you are able. This is typically a sign that there is an abnormality within your engine.
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Q. "Is it safe to drive your car when the check engine light is on?"It depends. If you are experiencing other noticeable issues with your vehicle, it may be best to pull over. Otherwise, it is typically okay to drive to your local auto shop. You will want to get this checked sooner rather than later to avoid being stranded with a broken-down car.
Have more Questions?
Our friendly auto service experts have the answers.
Call your local Christian Brothers Automotive car shop today
Hear What Our Customers Had to Say About Us
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"I had my 2016 Ford fusion Serviced for an Oil Change for the first time at the Oviedo location on 12/31/2024 and the service was excellent. Ron DICKINSON and his staff were Very friendly, And I Also Appreciated The DIAGNOSTic Testing they do at no cost. I "
- Linda Risi