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Old Oct 3, 2009 | 04:44 PM
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fuel problems

Yesterday I replaced the 3 o-rings in the fuel drain valve. When I finished the truck ran for about 20 seconds then died it was pretty gradual going from good to bad to dead. I can't get it to run at all now. It sounds like it has run out of fuel of maybe has air in the line. I need some help on this please!

Thanks,
 
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Old Oct 3, 2009 | 05:09 PM
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Have to ask,did you refill the fuel bowl after you were finished or cycle the key several times?Sounds like air in the rails to me.
 
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Old Oct 3, 2009 | 06:12 PM
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Yes I did but I think it might have gotten some in there anyways. What can I do to fix this?
 
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Old Oct 3, 2009 | 06:17 PM
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I have never had that issue. I always drain fuel for a few seconds, open up fuel filter cover, remove old filter, close drain valve,pour in DK PowerService and install new fuel filter and reistall cover, tighten. You def have to cycle key a few times to prime pump.
 
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Old Oct 3, 2009 | 11:25 PM
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so to get the air out i just cycle the pump a few times?
 
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Old Oct 4, 2009 | 12:49 PM
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it primes the fuel pump
 
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Old Oct 4, 2009 | 12:56 PM
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If you have air in the rails, it has to go through the injectors unless you installed a CCK or RR. In the stock configuration, any air making it past the bowl has to go through the injectors. But you could take the cover back off the bowl and have someone turn the key to on (not start) to make sure the bowl is filling up properly. From dead empty, it takes about 10 seconds to fill.
 
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Old Oct 5, 2009 | 11:11 AM
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Is there a way to purge the air from the fuel rails? My truck will still not start and I'm getting a little desperate. When I try to start it, it turns over just fine but sounds like it has no fuel.
 
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Old Oct 5, 2009 | 02:16 PM
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also at this point would an RR help (same as FRx from riffraff?) or is it past that stage?
 
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Old Oct 5, 2009 | 10:55 PM
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I am starting to think it is something else. It turns over great but no start, and the GPR is getting really hot, hot enough to start to melt the rubber cap on one of the wires I don't think this would cause it not to start because it is 85 degrees out there. Any Ideas??
 
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Old Oct 5, 2009 | 11:02 PM
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If you have been trying to start it for a good while the batteries may be getting to low to fire the injectors.It needs at least 10.5 volts while starting
 
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Old Oct 5, 2009 | 11:04 PM
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Any chance you broke the fuel bowl heater when you changed your filter? Maybe blew the fuse?
 
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Old Oct 5, 2009 | 11:32 PM
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Originally Posted by rbaker6336
If you have been trying to start it for a good while the batteries may be getting to low to fire the injectors.It needs at least 10.5 volts while starting
Originally Posted by Riffraff Performance
Any chance you broke the fuel bowl heater when you changed your filter? Maybe blew the fuse?
I have been charging batteries so I think I'm ok there.

would the heater affect it besides when its cold? (stupid question?) I will re-check the fuses in the morning.
 
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Old Oct 5, 2009 | 11:36 PM
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If it is the heater shorted you can unplug it and replace the fuse and it will run fine.you may not get cold enough to need it
 
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Old Oct 5, 2009 | 11:43 PM
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Originally Posted by rbaker6336
If it is the heater shorted you can unplug it and replace the fuse and it will run fine.you may not get cold enough to need it
So the heater not working would cause the engine not to start?
 
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