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.
Just updated your iPhone to iOS 18? You'll find a ton of hot new features for some of your most-used Apple apps. Dive in and see for yourself:
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