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Dan
Dan, Technician
Category: Ford
Satisfied Customers: 23590
Experience:  Independent Shop Experience, 2 Year Automotive Diploma, & Access to Information Database
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PO381 AND PO221ARE THE CODES I GET FOR A2000 F350 DIESEL ENGINE 7.

Customer Question

PO381 AND PO221
ARE THE CODES I GET FOR A2000
F350 DIESEL ENGINE 7.3
Submitted: 6 years ago.
Category: Ford
Expert:  Dan replied 6 years ago.

For the P0281 see if the "wait to start" light illumintes if not and thats the only light that doesnt light up remove the cluster and replace the bulb. P0221 usually means the Accelerator Pedal has failed but first check fuse #45. Let me know if you have questions, thanks.

 

P0381 Glow Plug Indicator Circuit Malfunction

Possible CausesSetting Conditions
  • Glow plug lamp circuit is open or shorted to ground
  • Glow plug relay control circuit is open or shorted to ground
  • Glow plug relay power circuit is open (test the 12GA fuse link)
  • Glow plug relay has failed

P0221 Idle Validation/Throttle Switch 'B' Performance
Possible CausesSetting Conditions
  • Blown fuse, or open in power circuit to IVS switch
  • IVS signal circuit open
  • IVS has failed, or the IVS transition is out of range