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Oil in breather

Tiny
BERNARDINO TREVINO
  • MEMBER
  • FORD F-150
I have a 2003 Ford F-150 with a 4.2L engine and 53,000 miles. The engine sounds great and there is no engine light on but I noticed that motor oil is coming out of the breather (air filter and canister). What could be causing this?
Wednesday, November 28th, 2007 AT 8:22 AM

1 Reply

Tiny
INDYUKE
  • MECHANIC
  • 416 POSTS
Either plugged up PCV system, or a PCV system that can't keep up with the amount of blowby the engine is producing. Guessing that your engine is still tight because of the low miles, I would say the PCV valve is probably plugged up.
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Wednesday, December 5th, 2007 AT 12:06 AM

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