Failed E Check Help

[Stoney459]

Hello All my Name is Van I own a 2007 GMC 1500 WT Sierra v6 4.3 !! Well I have a huge problem Emissions yep > engine light on > went to test > evap solinode code> Bad / Changed > light still on > Bought the Charcoal canister and installed > light still on > installed ne plugs (misfire in number four cylinder) >> light still on >> disconnect Red battery cable (Reset Computer?? ) Nothing still !!! DEALER TIME ??? or if you could HELP the " New Guy" Thanks Nice to meet you ?? Great site here and I have read a few posts about Evap systems! I welcome any GM mechanic to e mail me @ [email protected] in Cleveland.

[gmtech4]

no code ...no help...

 

and if you are sick of throwing parts at it ,maybe it is dealer time,,

 

post the code Van