Home › Forums › Stay Dirty Lounge › Repair Central-The ‘How To’ Forum › 2009 Chevy Cobalt SS turbo – HPFP diagnosis This topic has 0 replies, 1 voice, and was last updated 8 years, 4 months ago by Jason. Creator Topic August 2, 2016 at 5:40 pm #864397 JasonParticipant Creator Topic You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In