# Smoke from exhaust...pretty heavy during deceleration

**URL:** <https://forums.speedlife.net/t/smoke-from-exhaust-pretty-heavy-during-deceleration/190858>\
**Category:** PittSpeed Automotive\
**Created:** [June 30, 2007, 3:37pm UTC](https://forums.speedlife.net/t/smoke-from-exhaust-pretty-heavy-during-deceleration/190858 "2007-06-30T15:37:36Z")\
**Posts on this page:** 1\
**Showing post:** 5

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**Author:** ![ZEX350Z](https://avatars.discourse-cdn.com/v4/letter/z/87869e/32.png) [@ZEX350Z](https://forums.speedlife.net/u/ZEX350Z)\
**Post date:** [June 30, 2007, 8:33pm UTC](https://forums.speedlife.net/t/smoke-from-exhaust-pretty-heavy-during-deceleration/190858/5 "2007-06-30T20:33:07Z")

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> [@Bank of America](https://forums.speedlife.net/t/bank-of-america/31091/6):
>
> how old is your pcv valve?

80K miles old…

It has CP pistons/rings so I’m doubting its the rings.  
What rules out the valve seals?

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