fuel system

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My Ford's in tank fuel pumps won't shut off and caused the engine to flood. I've replaced the relays and the fuel pressure regulator. What am I missing? It does this on both tanks.

DBox in Abbeville MS

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Jan 30, 2010

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2 Replies

Popular Answer
Valleyautotechon Jan 31, 2010

Maybe the ignition switch is bad and is sending power through even though the key is in the off position, have a te.ch trouble shoot this before changing parts

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Bigtankon Nov 22, 2010

your fuel pump is powering up regardless of the position of the key switch. As a quick check, pull the fuse for the fuel pump when the key is in the off position and see if that does the trick. If this works put the fuse back, and pull the ignition fuse if this also works, change your ignition switch, 30 bucks.

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