# 02 chevy tahoe

**URL:** <https://community.cartalk.com/t/02-chevy-tahoe/41510>\
**Category:** Maintenance/Repairs\
**Tags:** chevrolet, tahoe\
**Created:** [December 30, 2009, 5:40am UTC](https://community.cartalk.com/t/02-chevy-tahoe/41510 "2009-12-30T05:40:27Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![ernie73](https://avatars.discourse-cdn.com/v4/letter/e/a88e57/32.png) [@ernie73](https://community.cartalk.com/u/ernie73)\
**Post date:** [December 30, 2009, 5:40am UTC](https://community.cartalk.com/t/02-chevy-tahoe/41510/1 "2009-12-30T05:40:27Z")

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MY TAHOES SERVICE ENGINE SOON LIGHT CAME ON.SO I TOOK IT TO AUTO ZONE,AND THEY GAVE ME A CODE (PO452) EVAPORATIVE EMISSION CONTROL SYSTEM,PRESSURE SENSOR SYSTEM COULD SOME ONE HELP ME FIX THIS.

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**Author:** ![oldtimer-11](https://avatars.discourse-cdn.com/v4/letter/o/e79b87/32.png) [@oldtimer-11](https://community.cartalk.com/u/oldtimer-11)\
**Post date:** [December 30, 2009, 7:06am UTC](https://community.cartalk.com/t/02-chevy-tahoe/41510/2 "2009-12-30T07:06:08Z")

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first step is a new gas cap and rotare it enough to get several clicks every time you put it back on. If that is it, light should reset in 4 or5 days of driving.