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1990 Buick Lesabre PCV value

Tiny
ASBESTOS
  • MEMBER
  • 1990 BUICK LESABRE
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 259,000 MILES
My engin is running rough on take off and when trying to hold a steady speed, I am going to change the fuel filter and the pcv value its got new plugs in it, But I cant find the pcv value there is only a hose going into the valve cover is there suposed to be a pcv value there as well and its just missing?
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Sunday, August 10th, 2008 AT 7:01 PM

1 Reply

Tiny
BLACKOP555
  • MECHANIC
  • 10,371 POSTS
You dont have a pcv valve there
that hose is the breather for the crankcase.

Instead of a pcv valve you have a calibrated orifice. Doesnt need replacing and wouldnt be causing your problem.

You would notice a bad idle.
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Sunday, August 10th, 2008 AT 9:18 PM

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