What makes the fuel pump stop working

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2009 DODGE VAN
120,000 MILES

Thursday, March 28th, 2013 AT 7:52 PM

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CARADIODOC

MECHANIC
33,916 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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