BruceH
BBB Big Bore Boss 322
This was a known problem with the 2005 - 6 fuel pump. If you still have the original fuel pump it's where I'd start.
FYI there was a recall or TSB on the fuel pump. Being a retired master mechanic I'd guess you already checked the recalls and tsbs but I'm posting it just in case.
FYI there was a recall or TSB on the fuel pump. Being a retired master mechanic I'd guess you already checked the recalls and tsbs but I'm posting it just in case.