# EVAP System - CEL - Diagnosis help??

**URL:** <https://forums.speedlife.net/t/evap-system-cel-diagnosis-help/13445>\
**Category:** NYSpeed Automotive\
**Created:** [June 17, 2006, 3:21pm UTC](https://forums.speedlife.net/t/evap-system-cel-diagnosis-help/13445 "2006-06-17T15:21:34Z")\
**Posts on this page:** 1\
**Showing post:** 4

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**Author:** ![JDMR2](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/jdmr2/32/7587_2.png) [@JDMR2](https://forums.speedlife.net/u/JDMR2)\
**Post date:** [June 17, 2006, 4:15pm UTC](https://forums.speedlife.net/t/evap-system-cel-diagnosis-help/13445/4 "2006-06-17T16:15:07Z")

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i can do the test but i cannot do it for free unfortunately, also not sure what exactly i would have to charge, but be assured it would have the ubrf og discount on it 😛

if its not the gas cap, its probably some stupid little purge valve…having the same issue with my fathers montana van

POS gm 3400 :tdown:

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