What to Expect With a Computer Diagnostic Service
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.
Did You Know: It takes up to three football fields to safely brake in the rain?
Decoding Your Check Engine Light
The illumination of the check engine light can be a source of stress and uncertainty for any driver. This indicator is a vital communication tool from your vehicle's onboard computer, signaling a wide range of potential issues—from a loose gas cap to a more serious engine malfunction. Without the right diagnostic tools, it's nearly impossible to know the specific problem.
At Christian Brothers Automotive Ahwatukee, we have the specialized technology to read and interpret the complex codes stored in your vehicle's system. We'll identify the root cause of the warning light and explain the recommended repairs in a clear, straightforward manner. Don't let a mystery light cause you anxiety; bring your vehicle to us for an accurate diagnosis and a clear path forward.
Signs You Need a Car Diagnostic Check
Your vehicle often communicates problems long before it breaks down. While a check engine light is the most obvious signal, other subtle changes in performance can indicate that a sensor or system is failing. Paying attention to these warning signs and scheduling a diagnostic test early can save you from a roadside emergency.
Watch for these common indicators that your vehicle needs attention:
- Warning Lights: A steady or flashing dashboard icon is the clearest sign to schedule a car diagnostic check.
- Poor Mileage: A sudden drop in fuel efficiency often points to oxygen sensor or fuel system issues.
- Rough Idle: Shaking or stalling at stoplights suggests ignition or air intake problems.
- Strange Smells: Rotten egg or burning odors can indicate catalytic converter or electrical failures.
- Slow Acceleration: Hesitation when stepping on the gas usually signals a fuel delivery or transmission fault.
Frequently Asked Questions
How long does a car diagnostic test usually take?
The time required for a diagnostic visit depends on the complexity of the issue and how many systems we need to evaluate. Many straightforward concerns can be checked within a couple of hours, while intermittent problems or multiple warning lights may require more in-depth testing. We discuss timing with you at drop-off and keep you updated if we need additional time to reach an accurate conclusion.
Will a diagnostic check tell me exactly what needs to be fixed?
A complete diagnostic process is designed to identify the most likely cause of the symptoms or warning lights you are experiencing. In many cases, this leads to a clear recommended repair or a small group of related options. For complex issues, we may outline a step-by-step plan that starts with the most probable solution and confirms results before moving further, so you understand how each decision is made.
Can I drive my car if the check engine light is on?
Some check engine light issues are minor, while others can affect safety or lead to additional damage if you continue driving. If the light is flashing, or if you notice strong odors, smoke, or a sudden loss of power, it is safer to stop driving and arrange for assistance. If the light is steady and the car feels normal, you may be able to drive cautiously to an appointment, but scheduling a diagnostic check soon is the best way to avoid a larger problem.
How often should I get a diagnostic check if there is no warning light?
Most vehicles do not require a full diagnostic scan on a set schedule when no symptoms are present. However, if you notice changes in fuel economy, unusual shifting, or new noises, a targeted check can be helpful even before a warning light appears. Including a basic system review during regular maintenance visits also helps catch developing concerns early and supports long-term reliability.
Will the diagnostic cost apply to the repair?
Our diagnostic fee covers the expert time and equipment used to identify the issue accurately. While it is a separate service from the repair labor, it saves you money in the long run by preventing unnecessary parts replacement and ensuring the fix is done right.
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FAQs
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Q. "What does a vehicle test do?"
Today’s vehicles are more advanced than ever. They’re essentially computers on wheels, with complex systems controlling everything from performance and safety to comfort and efficiency. When a warning light comes on or something feels off, our testing process takes a deep dive into these systems to identify the real issue, not just a surface-level code. This thorough approach goes far beyond a quick parts-store scan and helps ensure repairs are accurate, effective, and long-lasting.
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Q. "How long does a vehicle test take?"We believe in doing things right, not rushing through them. While some tests can be completed quickly, others take more time, depending on the concern. Our priority is accuracy, so you can feel confident in the results and the next steps. We’ll always keep you informed along the way, giving you peace of mind on the road to the people and places that matter most.
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Q. "When should I get a vehicle test?"
Vehicle testing is essential anytime a warning light comes on, your vehicle feels different, or during routine maintenance visits. Regular testing helps catch small issues before they become bigger problems, keeping your car safe, reliable, and running at its best.
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Q. "Do you offer a shuttle service?"Yes! we understand you have a full schedule. Whether you need to get to work, school, or need to attend to other responsibilities, we can take you where you need to go. Click here to learn more.
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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 a 3-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.
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'm not sure how my experience could have been any better, superlative service, competent and attentive staff, extreme courtesy and unending requests to serve better. Practicality wise, I was able to schedule when I wanted to, drop off and pick when I want"
- Loxahwatukee