Omri

Hi there, I’ve just taken my Jag 2.5 V6 out for a drive. And I’ve noticed in certain gears that the engine is making a slight rattling noise but only in certain gears. I could be driving slow and accelerate and no noise. And then when I’m accelerating what feels like a wring I get this rattling noise coming from what sounds like engine. Earlier I noticed the noise When going up a slight incline hill so I accelerated more and the car changed gear and the noise fadded. I noticed it only does it around the 1,500 when the engine is a bit sluggish. If I accelerate at that RPM I can hear a rattle like something loose in the engine. It doesn’t do it when Rev stationary. Does anyone have any ideas? I’m anxious and worried about this quite a lot as I suffer from anxiety too! So I’m really stressed Update** this morning on cold start I had the oil cap off wondering if it’s engine or gearbox. I think it’s engine because I could hear the noise either from the engine bay or through the oil cap.