Fuel pump runs with ignition off why?

2007 FORD F-150
31,000 MILES • V8 • 4WD • AUTOMATIC
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BISCH
  • MEMBER
  • 1 POST
fuel pump runs with ignition off why?
Jan 30, 2011 at 3:13 PM
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WRENCHTECH
  • ✓Experienced Mechanic
  • 20,760 POSTS
That system uses a control module because of the variable pressure system. That is likely the cause. It's mounted under the truck, behind the rear axle. https://www.2carpros.com/images/external/128832807.gif
Jan 30, 2011 at 3:37 PM
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