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Check out the newest batch of One-Click Apps added in October 2023.

Find out what OBD2 ports are, what they’re used for, and how you can locate one in your car. Get started with OBD scanning and other practices

Find out what the check engine light means and what should be your next steps. Get everything you need to know about the check engine light.

Find out how car code readers can benefit you and help you diagnose your car issues. Learn to pick the right code reader

Customize your car with OBDeleven's One-Click Apps without any programming knowledge. Read more about the newest One-Click Apps.

Find out why your car is shaking when idling, the most common causes, and how to fix them.

Find out why your car is shaking when idling, what are the most common causes, and how you can fix them.

Catalytic converters reduce emissions, but they’re also sensitive to certain conditions. Learn how to identify signs of malfunction.