I just bought a 2000 impreza RS in the United States, and it does NOT have an oil pressure guage. The "Performance guage pack" also does NOT have an oil pressure guage. So I bought an electric oil pressure guage.
Where do I mount the sending unit on the engine block?
There are several plugs in the block, but the purpose of each is unclear. Please be specific in your location. The engine is a 2.5 liter fuel injected, NON-Turbo