WHY DOESNT FUEL RAIL HOLD PRESSURE ON START

  • Tiny
  • Anonymous
  • 2004 Ford F-350

Why doesn't fuel rail hold pressure on start.

Thursday, January 10th, 2013 AT 7:05 PM

1 Reply

  • Tiny
  • Wrenchtech
  • Expert
  • 20,028 posts

Because it's leaking down somewhere. It's your job to determine where by systematically closing off escape routes until it stops. It could be the pump, the regulator or a leaking injector.

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Thursday, January 10th, 2013 AT 9:06 PM

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