P0446 Chevrolet -

Question

Where is the EVAP hose on the 2002 Chevrolet Impala?

Answer 1

The EVAP hose there are located on top of the fuel tank, right there is the charcoal canister, If the code you have is P0446, and you have a scan tool that can read EVAP data, you look at the FTP (Fuel tank pressure) sensor, at idle if the FTP is working , it should show a (-) negative value, right then open the fuel tank fuel cap . if it still show a negative value, the solution would be to replace the FTP sensor.