bosch

  1. BusterJeep

    Fuel pressure issue and P0456 - 2004 4.0

    New member, old Jeeper. I have been perusing the threads here and have found bits and pieces of information but nothing seems to really hit on my problem. Any advice would be appreciated. 2004 TJ X w/150k on the clock. Currently on my 4th fuel pump. OE died at 115k. Replaced with DFG1221 @...
  2. Nickxm92

    Fuel Pump issue

    Hey all, just got done doing some trouble shooting for a code i was getting. Tested my fuel pressure and it drops slowly to 0 after pressurizing. Holds steady at 43 PSI while idling but that is still too low. Long story short, looking for a direct link or parts number for the Bosch OE fuel...