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2008 Ford Focus fuel delivery

Tiny
A1FMITCH
  • MEMBER
  • 2008 FORD FOCUS
  • 2.0L
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 85,000 MILES
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?
Monday, July 7th, 2014 AT 7:30 AM

2 Replies

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
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.
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Monday, July 7th, 2014 AT 8:35 AM
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Key on sorry lol
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Monday, July 7th, 2014 AT 8:36 AM

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