Oily airbox

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Jun 28, 2012 | 09:54 PM

Boilerpete

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Junior Member

Joined: Feb 2012

Posts: 19

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From: Pittsburgh

Oily airbox

Anyone know what would cause oil in the airbox?

Jun 28, 2012 | 11:16 PM

XJR-0220

Joined: Nov 2010

Posts: 404

Likes: 70

From: Utah

usually it means you have bad blowby and its sucking it up through the vent tube and this also runs down into the airbox sorry man to be the bearer of bad news

Jun 29, 2012 | 12:00 AM

Ipc838

Senior Member

Joined: Sep 2010

Posts: 907

Likes: 110

From: Tulsa, OK, United States

When I got my car, it had spent much of its
life in greasy NY state, (rust, grime) and the
air filter had a bit of oily grime in there.

I replaced the filter, and never saw the
greasiness since.

Jun 29, 2012 | 08:12 AM

Boilerpete

Thread Starter

Junior Member

Joined: Feb 2012

Posts: 19

Likes: 0

From: Pittsburgh

Thanks Guys, I kind of thought it was goimg to be blow-by. Fortunately it is not my car, it is a friends. I did however check both of mine when he asked me about it. (Dry)

Jul 3, 2012 | 03:17 AM

burmaz

Senior Member

Joined: Aug 2009

Posts: 598

Likes: 52

From: Mass.

It is most likely a clogged part load breather which is super easy fix. Excessive blowby due to Nikasil failure (assuming he has a '98-'00) XJ is extremely rare these days.