What Full Service Diagnostic Testing Includes
A diagnostic trouble code identifies the vehicle system reporting a concern. It doesn’t necessarily identify the failed component or explain why the code appeared. That distinction is why our Full Service Diagnostic Testing goes beyond basic ODB scanner codes.
Our technicians investigate the reported system to determine the underlying cause. Testing depends on the stored codes, the vehicle’s symptoms, and the system involved, so the diagnostic path can vary from one visit to another.
Documented Vehicle Findings
During service, we also provide a free Digital Vehicle Inspection with actual photos of your vehicle. These images let you see the conditions behind our recommendations instead of relying on a code number or verbal description alone.
Once testing is complete, we explain the findings in understandable terms. You can ask questions about the identified concern and recommended service before deciding how to proceed.
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.
Steady vs. Flashing Check Engine Lights
A steady check engine light generally means the vehicle has detected a concern that should be diagnosed. Because the light alone doesn’t identify the cause, professional testing is still necessary even when the vehicle appears to operate normally.
A flashing check engine light generally signals a more serious active problem, such as an engine misfire. Continuing to drive can risk further vehicle damage. Pull over in a safe location and arrange for inspection or towing instead of continuing your trip.
Common Causes of a Check Engine Light
The alert can be triggered by anything from a fuel-system sealing issue to a problem affecting ignition or emissions-related components. The light doesn’t reveal which part is responsible, and similar symptoms can have different causes.
Common possibilities include:
- A loose or faulty gas cap
- Worn spark plugs or ignition coils
- An oxygen sensor failure
- A mass airflow sensor malfunction
- A catalytic converter concern
- An exhaust gas recirculation valve problem
Cold-Weather Check Engine Lights in Cheyenne
Low temperatures can affect readings from oxygen, mass airflow, and coolant temperature sensors. Cold conditions also slow the chemical reactions inside a battery, which can reduce battery voltage and trigger the dashboard indicator.
Winter weather shouldn’t be assumed to be the cause. Diagnostic testing can distinguish a temporary cold-weather reading from a condition that requires repair.
Why Diagnostics Still Matter in Wyoming
Wyoming doesn’t have a statewide vehicle safety or emissions inspection program. Emissions testing also isn’t required for vehicle registration or renewal.
Those requirements don’t explain or clear a dashboard alert. Check engine light diagnostics evaluate the vehicle system that reported the concern and provide the information needed to understand why the light appeared.
Understand the Findings Before Authorizing Repairs
We explain your vehicle’s needs in clear language without burying the findings in technical jargon. We review the test results and Digital Vehicle Inspection with you so you can make an informed decision about our recommendations.
When service is performed, we use manufacturer-quality equipment. Work performed at our Cheyenne store is protected by the Nice Difference Warranty for 3 years or 36,000 miles, whichever occurs last. We can explain how the warranty applies to the recommended work before service begins.
Schedule Check Engine Light Service in Cheyenne
At our Cheyenne location, we offer a $126 Check Engine Light special through December 31, 2026. Contact us to discuss the offer and arrange Full Service Diagnostic Testing.
We also offer a free Courtesy Inspection, which doesn’t include diagnostic testing. The following conveniences are available for your visit:
- After Hours Key Drop Off
- Free Shuttle Service
- Free Wifi
- A Waiting Lounge
- Special Financing
Schedule your diagnostic visit by calling (307) 248-7647 or using our contact form. We’ll explain what triggered the dashboard alert and discuss the recommended next steps.
What to Note Before Your Diagnostic Visit
A few observations can help you describe when the check engine light appeared and how the vehicle was operating at the time. You don’t need to determine the cause yourself.
Before your visit, note:
- Whether the check engine light is steady or flashing.
- When the light first appeared, including whether it followed refueling or a cold start.
- Any changes in starting, idling, acceleration, fuel use, or engine sound.
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 liked the customer service and going above and beyond to make sure I was comfortable while waiting in the store for my vehicle work to be done, specifically being offered a nice hot coffee with creamer."
- J.L.