What makes the fuel pump stop working

Tiny
ANONYMOUS
  • MEMBER
  • 2009 DODGE VAN
  • 120,000 MILES
What makes the fuel pump stop working
Thursday, March 28th, 2013 AT 7:52 PM

1 Reply

Tiny
CARADIODOC
  • MECHANIC
  • 33,873 POSTS
The Engine Computer turns the fuel pump relay off when it no longer sees engine rotation. It knows that by the lack of pulses from the crankshaft position sensor and / or camshaft position sensor.
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Thursday, March 28th, 2013 AT 8:41 PM

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