06 impreza oil leak on exhaust

Their filters may have been leaking. Had another leaker on the list a while back - was the "O" ring seal on the oil cooler?? Perhaps the dealer tightened the oil cooler?

What all is involved on the 90K? Did they retorque the heads? tighten the cam covers? The head gaskets have been known to seep oil that then makes it's way onto the exhausts.

Thanks those are good answers. I took it to the firestone next to my house and they put some additive to the oil because they could not see where it was leaking from.

Hello guys looks like it is the oil pressure switch. This is the second that goes bad. I did the last one my self this time I am going to let the garage replace it. Here is the picture

On the Toyotas we called them oil pisser switches.

Things get weirder and weirder. I had engine check light on. So I use my od b reader to get the error code. The error code said 02. So it thought it wa s the o2 sensor. I talk to a friend and show him the error code in the mach ine and he said is the 02 sensor. The check engine light is now gone since i replace the oil pressure switch.

Oil on the outside of the O2 sensor will cause an O2 sensor code.