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P1233 Diagnostic Trouble Code Discussion for July 2010

Fuel Injector 4 Control Circuit Shorted

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Trouble Ticket Help Requests for DTC P1233
Help Request Posted
2002 Ford Thunderbird 3.9L No Start VIN: 1FAHP60A72
P1233: Fuel System Disabled Or Offline. Hello fellow IATN Techs. I have here a 2002 Ford Thunderbird that has no start complaint, which is fuel related (no fuel pressure). Found Fuel Pump Fuse in trunk blown, replaced it, and checked remaining fuses, fuel pump relay, and fuel pump inertia switch. A...
July 19, 2010
2005 Ford F-150 XLT 5.4L Cuts out, MIL Lamp on VIN: 1FTPW14535
P1233: Fuel Pump Driver Module Disabled or Offline. Every once in a while this customer drives down his country road and hits mud puddles. His truck then spudders and dies out and will crank but not start. He returns a few hours later and it starts and runs great. We have replaced the Inertia Switch (hunch) tha...
July 28, 2010