2008 Ford Focus fuel delivery

2008 FORD FOCUS
85,000 MILES • 2.0L • 4 CYL • FWD • AUTOMATIC
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A1FMITCH
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  • 3 POSTS
What is the factory specification for fuel psi? Am I correct in thinking the Fuel Pump Driver Module pulse modulates voltage to the fuel pump? Is it more common for a fuel pump to fail opposed to the driver module?
Jul 7, 2014 at 7:30 AM
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HMAC300
  • ✓ASE Certified Mechanic
  • 48,601 POSTS
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this cold be a tossup I've seen both fail but not at same time. 55psi is what it should be with key off engine running. for module if you scan it that should show that.
Jul 7, 2014 at 8:35 AM
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HMAC300
  • ✓ASE Certified Mechanic
  • 48,601 POSTS
  • ASE Certified Mechanic
key on sorry lol
Jul 7, 2014 at 8:36 AM
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