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Help Please! fuel system problem 2008 F150

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Old Feb 23, 2021 | 01:42 PM
  #1  
Madddog445's Avatar
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Default Help Please! fuel system problem 2008 F150

So yesterday I ran through some big puddles no problem at all, but a short time later and after making a sharp turn my lights flickered on my dash and the radio turned off then back on. The engine never shut down however I lost almost all power from the engine it will only sometimes idle at around 400 rpms bogs down when you push the peddle in. The codes are pictured. I have since changed the fuel rail pressure sensor and drive module under the spare tire but no change. What's odd is when you unplug the fuel rail sensor the truck starts and runs good almost like normal, but with a very rich unburned fuel smell. So now im looking for some suggestions any help would be appreciated.

 
Old Mar 26, 2021 | 02:58 AM
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I am very proud of Ford for finally discovering that aluminum and steel should never touch. snaptube vidmate
 
Old Mar 26, 2021 | 06:04 PM
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When we get a load of codes and some unrelated, my first suspicion is the absence of the 5 volt reference voltage.
Pick any one of the sensors that receive that voltage supply and see just what it is reading.
If one is shorted to ground , it could be pulling the voltage to the rest of the sensors that use the 5 volt supply .
Unplugging them one at a time should give you some idea of what is going on. Could be just wet.
Another possibility could be a poor ground connection that serves those sensors and accessories.
 
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