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What is a PCV valve?

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Old 06-14-07, 12:07 AM
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animefreak
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Lightbulb What is a PCV valve?

What is the function of a PCV valve? Also where is it located on a 95 es300?
Old 06-14-07, 03:22 AM
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amf1932
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This explains it very nicely. >> http://en.wikipedia.org/wiki/PCV_valve
Old 06-14-07, 07:39 AM
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Have any of you guys notices significant gains or engine efficiency when replaceing the PCV valve around 70,000???
Old 06-14-07, 08:00 AM
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92ES5sp
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Originally Posted by MoreMGD32
Have any of you guys notices significant gains or engine efficiency when replaceing the PCV valve around 70,000???
Yes, no oil leaks
Old 06-15-07, 09:23 AM
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Originally Posted by 92ES5sp
Yes, no oil leaks
It prevents sludge build up in the crankcase and in the intake manifold thus, preventing seal rot?
Old 06-17-07, 07:26 AM
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lexusk8
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Originally Posted by MoreMGD32
Have any of you guys notices significant gains or engine efficiency when replaceing the PCV valve around 70,000???
It's usually good preventive maintenance to replace the PCV valve which will help improve the fuel economy.
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