truck dies when i stop somtimes but will start right back up

Question

truck runs fine just dies when i let off gas somtimes not all the time but starts right back up

Answer 1

HI there,

This code, P0456 is related to a small leak in the evap system and is likely not related to the issue with the truck stalling on you. This code could be due to a bad seal between the gas cap and the filler neck