Bringing your vehicle in is straightforward. You schedule an appointment, our technicians perform full service diagnostic testing that identifies the problem beyond basic OBD scanner codes, and we explain the findings in plain language before you decide on next steps. No technical jargon, no pressure.
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.
Diagnostic Findings You Can See & Understand
After our technicians complete their assessment, we don’t just hand you a repair estimate and ask for approval. We use digital vehicle inspections so you can see what the technician sees. Every suggested service comes with the reasoning behind it, explained in clear, plain language, and the decision to move forward is yours.
Not every check engine light signals the same level of urgency. A steady light and a flashing light mean different things, and knowing the difference helps you decide how quickly to act. Here’s what some of the most common triggers look like.
Common Check Engine Light Causes
Some of the most frequent triggers are straightforward: a loose or faulty gas cap, a failing oxygen sensor, or a catalytic converter issue. Others involve the ignition system or the powertrain control module. The range is wide, which is exactly why a proper diagnosis matters.
Steady vs. Flashing Light
A steady check engine light typically points to a non-emergency problem that still needs attention soon. A flashing light is more serious and often signals an engine misfire that can cause further damage if you keep driving. When the light is flashing, avoid driving if possible and get your vehicle to us right away.
Ignoring a steady light may seem low-risk, but small issues can grow into more extensive repairs over time. Getting a diagnosis early can be the more cost-effective move.
Schedule a Check Engine Light Diagnostic in Grimes
Every visit to Christian Brothers Automotive Grimes includes a complimentary courtesy inspection, so we’re looking at the full picture, not just the code that triggered the light. If your vehicle needs to stay overnight, we offer complimentary shuttle service to keep your day on track.
Call us at (515) 579-5714 or use our online contact form to schedule your check engine light diagnostic appointment. We serve drivers throughout Grimes and the Johnston area.Why a Scan Code Isn’t Enough
An OBD-II scan retrieves trouble codes that point to a system or component, but a code doesn’t tell you which specific part has failed. A code indicating an oxygen sensor circuit issue, for example, could stem from the sensor itself, a wiring problem, or another component in the emissions system. Replacing parts based on a code alone can result in unnecessary repairs that don’t resolve the actual problem.
Check engine light warnings can trace back to a wide range of vehicle systems, including the engine, transmission, ignition, and emissions. Full service diagnostic testing that identifies the problem beyond basic OBD scanner codes is a reliable way to confirm the cause before repairs are made. That’s the standard our ASE-certified technicians apply on every diagnostic visit.
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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"Wow! I was blown away with the level of professionalism and courtesy i received from Christian Brothers Auto. Rayce returned my initial phone call with a reasonable estimate in a timely manner. He gave us progress reports throughout the day when the work w"
- Heather