R60 Oil in Cold Air Intake

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Feb 3, 2019 | 01:48 PM

lruthruff

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From: Michigan

Oil in Cold Air Intake

What are the possible causes of oil getting on my cold air intake turbo sensor?

Last edited by lruthruff; Feb 3, 2019 at 02:00 PM.

Feb 5, 2019 | 11:12 AM

MrGrumpy

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From: Washington state

Too much oil on the air filter will clog it, or if it’s motor oil it could be the PCV in the valve cover, is there any oil residue around the cap at the left rear corner of the valve cover?

Feb 5, 2019 | 12:02 PM

DneprDave

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The oil is coming from the PCV system and if it is just residue, it is normal. Also the gadget on the turbocharger inlet is not a sensor, it is a heater to prevent icing at the turbocharger inlet.

Feb 5, 2019 | 12:04 PM

MrGrumpy

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From: Washington state

Quote:

Originally Posted by DneprDave

The oil is coming from the PCV system and if it is just residue, it is normal. Also the gadget on the turbocharger inlet is not a sensor, it is a heater to prevent icing at the turbocharger inlet.

I didn’t think about the heater thing, I assumed he meant the MAF

Feb 6, 2019 | 02:26 AM

lruthruff

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From: Michigan

Quote:

Originally Posted by MrGrumpy

Too much oil on the air filter will clog it, or if it’s motor oil it could be the PCV in the valve cover, is there any oil residue around the cap at the left rear corner of the valve cover?

its actually melted in the in the left rear corner of the valve corner.

Feb 6, 2019 | 09:21 AM

MrGrumpy

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From: Washington state

Quote:

Originally Posted by lruthruff

its actually melted in the in the left rear corner of the valve corner.

That’s not great, I would put a new valve cover on it, that will replace the PCV too since it’s built into the cover.
Does it look like it’s causing an oil or air leak?