Dealing with a p0452 evap pressure switch stuck closed
If you're staring at your scan tool and it's showing a p0452-evap pressure switch stuck closed, you're probably already dreading the trip to the mechanic. It's one of those codes that feels overly technical, but once you break it down, it's mostly just your car's computer complaining about a specific sensor reading it doesn't like. Nobody likes seeing a check engine light, especially when it involves the word "evaporative," because that usually means hunting down tiny leaks or dealing with sensors buried in hard-to-reach places. ...