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Duel Fuel Only Runs On One Fuel?

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Old 11-10-2008, 04:33 PM
68f250360 68f250360 is offline
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Duel Fuel Only Runs On One Fuel?

i have a 95 f250 4x4 7.5 running on propane or gas. due to gas prices i have been running it on propane, but now that gas has gone down i what to run it on gas but it wont switch over. i flip the switch and the thing just dies. so when the truck isnt running i turn the key on and off to "charge" the fuel system but nothing seems to work... the fuel rails are getting pressure, i check. i also check the fuel reset switch but that was fine. so i got out the test light and started to hunt down wires but i cant find the problem. i dont know if the gas went bad, i dont think so cause i added additives last time i filled up.

can someone help???
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Old 11-25-2008, 04:30 AM
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myv-879 myv-879 is offline
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Possibly by not using Gas (petrol) something has dried out and is not operating. This used to happen to me in my carby 351 dual feul. I went through a feul pump and a carby kit because they dry out without feul going through them, Im now rebuilding it to run straight gas. What good does the gas (petrol) do anyway?
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Old 11-25-2008, 02:52 PM
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Check your fuel pressure and filter also check to see if your injectors are working
I am assuming your gasoline line does not have a fuelock (solenoid) that was installed when it was converted
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Old 04-24-2009, 03:31 PM
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Could it be possible that something went wrong and the injectors have been running dry for awhile and died?
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