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PCM fuse

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Old Nov 26, 2014 | 08:57 PM
  #1  
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PCM fuse

I have a 1999 F350 Dually with a DP tuner and my PCM fuse just all of sudden blew while moving my truck into the drive way so i replaced the fuse and as soon as i turn the key to the on position the fuse blows my wait to start light is not coming on and my tuner is not lighting up

Thanks for all your help
 
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Old Nov 26, 2014 | 09:02 PM
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Sounds like the fuel heater shorted. Pull the wire off the back of the fuel bowl, leave it dangling, replace fuse and try to start. If good do not reconnect the wire to the fuel heater. Replace heater element or just leave it alone, not needed unless you're in a really, really cold place.
 
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Old Nov 26, 2014 | 09:27 PM
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Okay sweet thanks alot man it fired right up how cold is really cold and what would need replacing to fix the issue and is it hard to do does the canister have to come out or can you do without taking the anything apart is it the socket that the plug plugs into or is it an actual like heating element inside the canister thanks for the help i really do appreciate it
 
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Old Nov 26, 2014 | 09:31 PM
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The element, itself, shorts.

Cold is likely defined as below +10F or so.

The purpose is to help prevent filter element waxing (cold clogging).

So, where are you located?

Pop
 
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Old Nov 26, 2014 | 09:35 PM
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I am in Richmond Va
 
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Old Nov 26, 2014 | 09:36 PM
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Marv knows his beans. Also...

Check out this thread for info and directions.

Good price from RiffRaff, a site sponsor and Clay is a good guy.
 
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