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Old Jan 30, 2024 | 04:52 AM
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Fuel issues

Truck started having issues after a very cold night. Allowed truck to thaw out in shop with heat. Truck started a day later. Started having issues with truck stalling. Had to tap on low pressure fuel pump to get truck to start. Bought a new pump and installed it, same issue, have to tap pump to start. Any ideas of what maybe going on?? Hard wired old pump to battery and pump comes on.2015 F250 6.7.
 
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Old Jan 30, 2024 | 07:14 AM
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Depending on your outside temperature (you have no signature or info on where you are located so this is a guess since it's winter), your fuel might be gelling in the lines if it's not a high-quality diesel fuel, or if it's still summer blend with no anti-gel in it.

I'd pour some Diesel 911 in it and run some anti-gel additives. It may not help you but given that it's winter time it certainly won't hurt.
 
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Old Jan 30, 2024 | 10:38 AM
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Originally Posted by 99powerstrokedF250
Depending on your outside temperature (you have no signature or info on where you are located so this is a guess since it's winter), your fuel might be gelling in the lines if it's not a high-quality diesel fuel, or if it's still summer blend with no anti-gel in it.

I'd pour some Diesel 911 in it and run some anti-gel additives. It may not help you but given that it's winter time it certainly won't hurt.
I did use that, and it helped. Temperature is now in low 50's. Seems like there is an electrical issue somewhere. I cleaned the connector on top of pump, which was hard to remove. I have noticed if i start the truck and let run for a while, it is good to go. If i just get in and start it and leave there is issues.
 
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Old Feb 17, 2024 | 08:44 AM
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My low pressure fuel pump and relay was bad. Changed both and issue fixed.
 
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