engine fault

Hello car is running ok and has engine light In the engine bay it looks like a plug is missing . Is this normal or where does it go too so I can try and find it . It’s nowhere obvious

Hello y'all, I recently had my check engine light turn on and power loss on the highway but the engine kept running smooth so I drove to a Peugeot dealer the next day to read the error codes. They said it is P1030 and P1062 so the cylinder head may have to be replaced or it could also be the...

So i got an engine fault warning after a run. called my mechanic, scanned it and found these fault codes(pictured below). I researched about it and an rcz r with the fault code got their engine thermostat and diverter valve changed but my mechanic said all it needed was a water temp sensor. I'm...