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Help !! 94 7.3 turbo idi stalled wont start

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Old 11-03-2014, 04:39 PM
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Thumbs down Help !! 94 7.3 turbo idi stalled wont start

My 94 F350 7.3 idi turbo vin K stalled on the way to work as if u had cut the switch off and wont start I replaced the glow plug controller still nothing I also plugged her in over night and still no luck she cranks but does not smoke or shake which is telling me there is a fuel issue however my lift pump is pumping not sure what else to check any help would be great just spent over 1000 on her last month so the shop is not an option
 
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Old 11-03-2014, 04:50 PM
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Check fss operation. It is the single wire connector on the injection pump closest to the front of the engine. With the key on you should hear a click if you unhook the wire and reattach it.
how do you know your lift pump is working?
 
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Old 11-03-2014, 05:13 PM
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I unplugged it and nothing happened no click however it is showing 12 volts at the wire so does the fss need replacing ? Oh and the wts light will not come on
 
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Old 11-03-2014, 05:18 PM
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I know the lift pump is working cause I removed the line at the filter and it shots fuel when I crank it and I installed a new seal on the line which has been on my to do list
 
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Old 11-03-2014, 05:24 PM
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Sounds like the fss died.
Should definitely hear a click with key on
 
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Old 11-03-2014, 05:26 PM
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can I just get the fss or do I have to replace the ip ?
 
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Old 11-03-2014, 05:28 PM
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I think it only clicks when you hook it back up
 
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Old 11-03-2014, 05:31 PM
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Should be able to tap the connection on and off and hear it clicking.

Yes you can buy the fss seperate.
 
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Old 11-03-2014, 05:47 PM
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Would the fss stop the glow plugs from cycling and stop the wts light ?
 
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Old 11-03-2014, 07:36 PM
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No shouldnt have anything to do with that
 
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Old 11-04-2014, 08:16 AM
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this is on my 88, you can definitely hear the switch opening and closing as i tap the plug to the terminal.
click on the picture to open the video.

 
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Old 11-04-2014, 08:32 AM
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Originally Posted by tjc transport
this is on my 88, you can definitely hear the switch opening and closing as i tap the plug to the terminal.
click on the picture to open the video.

My 93 is the same.
 
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Old 11-04-2014, 10:24 AM
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Originally Posted by tjc transport
this is on my 88, you can definitely hear the switch opening and closing as i tap the plug to the terminal.
click on the picture to open the video.

Mine is not clicking where can I get the fss I been looking online and can't seem to locate one.
 
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Old 11-04-2014, 12:20 PM
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got me on that one, i have never had to replace one.
 
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Old 11-04-2014, 07:17 PM
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You say you have 12v to it, how are you checking? With a voltmeter you needbto backprobe the connector with it hooked to the fss. They rarely go bad, Im thinking more testing us needed.
 


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