Is Advance Auto Parts Check Engine Light Diagnostic Free?: Discover how to get your check engine light diagnosed for free in just minutesSarah ThompsonSep 09, 2025Table of ContentsTips 1:FAQTable of ContentsTips 1FAQFree Smart Home PlannerAI-Powered smart home design software 2025Home Design for FreeAdvance Auto Parts offers a helpful service known to many drivers: free check engine light diagnostics. This service lets you get a basic error code readout if your vehicle’s “check engine” light comes on. When you visit most Advance Auto Parts locations, an associate will use an OBD-II scanner to read your car’s trouble codes at no charge. This provides you with the check engine code(s) and a basic explanation, which can guide your next steps—whether it's making a simple fix yourself or seeking professional repair.It’s important to note, however, that while this service pinpoints the general area of a problem, it doesn’t offer in-depth diagnostic testing or hands-on repair. For example, if you get a code for your oxygen sensor, the scan tells you the sensor is reporting something’s off, but it won’t specifically tell you if the sensor or a related engine system is at fault. Professional repair shops typically use more advanced diagnostics for a comprehensive check and may charge for this service.As a designer, I see this free diagnostic as a fantastic “first draft”—it can help you map out your next steps, much like creating a design layout before adding details. If you’re looking to visualize more complex solutions—such as planning your garage organization or updating workspace for car maintenance—a tool like a room planner helps you optimize the setup, making any DIY project or repair task more efficient and visually appealing.Tips 1:After receiving your free engine light code at Advance Auto Parts, do some research on possible fixes and always double-check before attempting repairs. Sometimes, a simple gas cap tightening solves the problem!FAQQ: Does Advance Auto Parts really offer free check engine light diagnostics?A: Yes, most locations provide free check engine light code readings for customers.Q: Will Advance Auto Parts fix my car after reading the code?A: No, they provide the code and basic guidance, but they do not perform repairs or advanced diagnostics in-store.Q: Is this check engine diagnosis as thorough as what I would get at a mechanic?A: It’s a basic scan—professional mechanics use more comprehensive equipment and provide detailed testing (sometimes for a fee).Q: What should I do with the code I receive?A: Use the trouble code as a starting point to research common causes; you can shop for parts or decide if you need professional help.Q: Can I use my own OBD-II scanner instead?A: Yes, affordable OBD-II scanners are available for purchase if you prefer to check codes at home.Home Design for FreePlease check with customer service before testing new feature.