The EGR system on a car doesn't break very much, but when it does diagnosing the problem can be difficult. Watch this video to learn about your EGR system and the "ported" vacuum it operates in, and use that knowledge to diagnose problems with various cars.
How to Fix the EGR system on a car by understanding a ported vacuum

Apple's iOS 26 and iPadOS 26 updates are packed with new features, and you can try them before almost everyone else. First, check Gadget Hacks' list of supported iPhone and iPad models, then follow the step-by-step guide to install the iOS/iPadOS 26 beta — no paid developer account required.
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