Hi guys! I got a warning light low oil pressure have researched and could be for various reasons maybe because my battery is knackered and the sensor got low voltage hence the warning as the oil level is fine I am changing my battery today so I thought I may aswell change the sensor but there seem to be two kinds a green and a brown one! Is there any difference and I have had a look in the engine bay but can’t seem to find it. So is there any way to know which one it needs and where exactly is it located pls any help much appreciated. Thanks