What to Expect During Your Visit
Every vehicle that comes in for check engine light diagnostics follows a straightforward process. We start with a courtesy inspection to assess your vehicle’s overall health, not just the issue that triggered the light. From there, our technicians diagnose the root cause and walk you through the findings before any repair work begins.
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.
European Vehicle Diagnostics at Our Zionsville Shop
Our Zionsville location has European vehicle technicians in-house. If your Audi, BMW, Mercedes-Benz, Porsche, or Volkswagen has a check engine light on, we handle the full diagnostic and repair here alongside domestic vehicles. You don’t need a separate dealership appointment to get accurate diagnostics on a European make.
Common Reasons a Check Engine Light Comes On
The causes range from minor to significant. Because a trouble code points to a symptom rather than naming the exact part, a trained technician still needs to trace the root cause. Common triggers include:
- A loose or damaged gas cap
- A failing oxygen sensor
- A worn catalytic converter
- Deteriorated spark plugs
- A faulty mass airflow sensor
Steady vs. Flashing: What to Do While Driving
If the light is steady, you can typically continue to your destination but should schedule an inspection soon. Letting it go tends to allow the underlying issue to worsen. If the light is flashing, stop driving as soon as it’s safe and arrange to have the vehicle brought in right away. A flashing malfunction indicator lamp often points to an active misfire or emissions system problem that can damage the catalytic converter quickly if you keep driving.
Schedule Your Diagnostic at Christian Brothers Automotive Zionsville
Bring your vehicle to our Zionsville shop, and we can diagnose the problem accurately and explain your options clearly. All work is backed by our 3-year/36,000-mile warranty, honored at any Christian Brothers Automotive location. We also work with all major extended warranty providers. Drop your vehicle off and use our complimentary shuttle service so your day isn’t spent waiting.
Call (317) 458-2994 to schedule your check engine light diagnostics with Christian Brothers Automotive Zionsville in Zionsville.
How Check Engine Light Diagnostics Actually Work
When a technician connects a scan tool to your vehicle’s OBD-II port, it reads the trouble codes stored in the vehicle’s computer. That data can also show when a code was first set and how many times it’s occurred, which helps narrow down whether the issue is intermittent or persistent.
Here’s the part a basic code read at a parts store misses: the code identifies the symptom, not the failed component. A P0420 code, for example, flags the catalytic converter’s efficiency but could stem from the converter itself, an oxygen sensor, an exhaust leak, or an engine issue affecting combustion. Our check engine light diagnostics go beyond basic scanner codes to accurately identify the underlying problem, so the repair addresses what’s actually wrong rather than replacing parts by process of elimination.
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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.