Any mods for gas mileage increase - Page 2 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 10-10-2005, 05:57 AM   #11
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What are the symptoms of a bad PCV Valve?
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Old 10-10-2005, 11:38 AM   #12
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Quote:
Originally Posted by miles26
What are the symptoms of a bad PCV Valve?
My '95 FSM lists these:

A plugged valve may cause: rough idle, stalling or slow idle speed, oil leaks, sludge in engine

A leaking valve would cause: rough idle stalling, high idle speed.
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Old 10-10-2005, 05:10 PM   #13
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Get the drop in K&N and gut the airbox. Its cheap and I gained about 5 mpg on the highway. And don't measure the air filter, call Advance Auto parts tell them what you drive and pay the man. Cheap and easy -- just like my women!
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Old 10-10-2005, 05:14 PM   #14
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Quote:
Originally Posted by miles26
What are the symptoms of a bad PCV Valve?
for $2 just change it.... its not like its a huge investment
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Old 10-10-2005, 09:17 PM   #15
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for $2 its not a delco.
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Old 10-11-2005, 09:36 AM   #16
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Default Re: pcv

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for $2 its not a delco.
True..still works fine..and doesn't say Bosch on it.
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