GM Truck Club Forum banner

Evaporator Canister on a 2004 Suburban

1295 Views 2 Replies 3 Participants Last post by  ZSI52
Happy Fourth of July ,

Got a code that this might need to be replaced , I keep getting a tighten Gas cap message. Tell me how to chane this device please.

1 - 1 of 3 Posts
Check the seal on the gas cap. I've heard of peoples breaking and it causing the truck to throw codes.
1 - 1 of 3 Posts
This is an older thread, you may not receive a response, and could be reviving an old thread. Please consider creating a new thread.