# 2 codes on GTP boggling me..........

**URL:** <https://forums.speedlife.net/t/2-codes-on-gtp-boggling-me/185980>\
**Category:** PittSpeed Automotive\
**Created:** [November 1, 2006, 2:27pm UTC](https://forums.speedlife.net/t/2-codes-on-gtp-boggling-me/185980 "2006-11-01T14:27:33Z")\
**Posts on this page:** 1\
**Showing post:** 6

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**Author:** ![imported\_Sleeper](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/imported_sleeper/32/5939_2.png) [@imported\_Sleeper](https://forums.speedlife.net/u/imported_Sleeper)\
**Post date:** [November 1, 2006, 4:35pm UTC](https://forums.speedlife.net/t/2-codes-on-gtp-boggling-me/185980/6 "2006-11-01T16:35:31Z")

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> [@2007 Roll Call](https://forums.speedlife.net/t/2007-roll-call/25506/60):
>
> if it was a vacuum leak another DTC should come up showing one. when OBD II checks a evap system it pumps air in to the tank until a certain pressure builds, if that pressure never builds a code is set

just those two codes present for about a month now,if it was a vac leak then y would it go away after it warms up or idles for about a min or two?:rant:

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