Chevrolet Repair Questions? Ask a Mechanic for Answers ASAP
Hi there, I am Cam.Oil in the intake should not set a P0101. That code is specific for mass air flow performance. Things like a dirty mass air flow sensor, plugged air filter, plugged exhaust. Air leak after the sensor or at the intake will all cause this issue.Oil in the intake sounds more like a baffle issue in the drivers side valve cover.