2006 Pontiac G6 Q&A
2006 Pontiac G6 Question: Getting codes PO455,461 and 463 can I get to gas tank to check lines from trunk?
try www.alldatadiy.com po461 and 463 indicate fuel level sensor issue.does the gas gauge work correctly? did you replace fuel cap with a factory cap or aftermarket? you may have a evap leak at fuel pump o ring and a bad sending unit. i rec you see a mech for further diag - globalhelper