Car smells like oil is burning

[costello]

When driving my car, especially when I accelerate I get a smell of oil in the cabin. The car has had a regular oil changes, 161,*** mi. I noticed when I replaced my CPS that there was oil in the intake. What could be the cause of this.

Thanks.

 

[kevingotashotoo]

just for the record how are your plugwells?

 

[ohfosho]

rear valve covers leaking onto exhaust manifold and/or plug well seals (part of valve cover gasket set), could be also cam seals leaking