Need help with diagnosing a fuel pump! - Ford Powerstroke Diesel Forum
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Old 04-30-2013, 03:37 PM
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Need help with diagnosing a fuel pump!

2005 c/c rwd sb
What is the easiest way to tell if your lift pump ( HFCM) has took a dump?
Pulled the secondary filter cover on top n there is no fuel there and I don't hear the pump wizzing as usual! Do I need to hole the filter down while some else turns the key or is there something else I need to do ?
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Old 05-01-2013, 06:44 AM
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The pump should run for several seconds when you turn the key to on. If there is no fuel in bowl, you have a problem (there is no special trick to the test).

You said you cannot hear the pump run. Frst thing to check would be the fuse, and then check for power at the connector.

MikeB
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