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2004 Buick Lesabre PCV

Tiny
TINMAN02
  • MEMBER
  • 2004 BUICK LESABRE
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 140,000 MILES
I would like to delete my pcv and install a Valve cover breather in its place! Is it possiable to do this with out having to re program the computer and is it really worth it? Would there be any gain or lose other the the look on of the breather?
Wednesday, December 16th, 2009 AT 3:41 PM

6 Replies

Tiny
DENNYP
  • MECHANIC
  • 1,823 POSTS
There is no programming for this. It will also cause problems with the oxygen sensors.
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Wednesday, December 16th, 2009 AT 4:30 PM
Tiny
TINMAN02
  • MEMBER
  • 4 POSTS
What problems are you thinking? What do you recommend for added performance that would not require me to re program the pcm I am not ready for that just yet, I have an intake, and exhaust ran and have not encountered any issues with that yet!
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Wednesday, December 16th, 2009 AT 5:17 PM
Tiny
DENNYP
  • MECHANIC
  • 1,823 POSTS
The vehicle is only going to perform as much as the pcm programming will allow. I don't know what kind of performance you are expecting from a valve cover breather. It would be like driving around with the oil fill cap off.
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Wednesday, December 16th, 2009 AT 9:29 PM
Tiny
TINMAN02
  • MEMBER
  • 4 POSTS
I was thinking more for the style of the item, so what your saying is I should get the pcm tuned?
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Wednesday, December 16th, 2009 AT 9:33 PM
Tiny
DENNYP
  • MECHANIC
  • 1,823 POSTS
Yes, pcm programming is the way to go.
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Thursday, December 17th, 2009 AT 11:28 AM
Tiny
TINMAN02
  • MEMBER
  • 4 POSTS
Who or what can I look up, like key phrases, I live in mid Michigan and cant seem to find anyone that can do pcm tuning

thank you for your time and knowleadge by the way
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Thursday, December 17th, 2009 AT 11:40 AM

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