03camry

Thanks i'll check the valves first. then the cannister. haynes repair has a diagram on how to replace.

Could use some help. problem started couple weeks ago when filling up for gas pump was tapping out like it was full but it wasn't. no big deal just pumped it slower.then all of the sudden check engine light comes on. used my friends obd scanner and code p0441 evap system inncorrect purge flow detected came up.any advice on repair? where sould i start? not much knowledge on cars can't afford to take it to dealer.father in law told me to try here.before forking out hundreds of dollars wanted to get other peoples advice.thanks