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Old 05-23-2012, 08:23 PM   #1
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Fuel Pump question

Ok so went to start the mustang for the first time in a year and it wouldn't start. I didn't hear the fuel pump kick on. Any reason why this would happen?
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Old 05-23-2012, 08:35 PM   #2
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Re: Fuel Pump question

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Ok so went to start the mustang for the first time in a year and it wouldn't start. I didn't hear the fuel pump kick on. Any reason why this would happen?
Relay is bad.
Fuel Pump is bad.
Blown fuse.
Battery not fully charged.
Inertia switch activated or bad.
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Old 05-23-2012, 10:19 PM   #3
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Ok thanks I'll check all but the battery because I checked it with a volt meter and it was 11.96 volts thanks for the info.
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Old 05-23-2012, 11:01 PM   #4
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Re: Fuel Pump question

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Ok thanks I'll check all but the battery because I checked it with a volt meter and it was 11.96 volts thanks for the info.
Battery should be at 12.5 volts or a bit higher fully charged.
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Old 05-24-2012, 06:02 AM   #5
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Quote:
Originally Posted by Trojan Horse

Battery should be at 12.5 volts or a bit higher fully charged.
Yes less than 12 isn't real good with the car off. With it running it should be charging around 14.5
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Old 05-28-2012, 10:21 PM   #6
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Ok got the battery fully charged at 12.37 volts and replace the relay. I also check to make sure the inetra switch isn't set. Now TH mentioned something about a fuse? Does anyone know where this is possibly located? Just trying to trouble shoot anything before removing the gas tank and just testing the fuel pump. Again thanks for the replies
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Old 05-28-2012, 10:55 PM   #7
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Quote:
Originally Posted by Foxtrot
Ok got the battery fully charged at 12.37 volts and replace the relay. I also check to make sure the inetra switch isn't set. Now TH mentioned something about a fuse? Does anyone know where this is possibly located? Just trying to trouble shoot anything before removing the gas tank and just testing the fuel pump. Again thanks for the replies
Fuse box
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Old 05-29-2012, 08:12 AM   #8
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Lol.. Yeah check your fuse box it's near your hood release.. Start there.. Then check the relay and so on
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Old 05-29-2012, 07:54 PM   #9
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Ha yea I should have mentioned I checked some fuses but don't know which one is for the fuel pump. My bad haha.
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Old 05-29-2012, 08:33 PM   #10
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Sorry I don't remember what year your car is. But Google "(your year) mustang fuse box diagram" then select the images tab. You should find a fuse diagram no problem.
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