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Throwing code P0402

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Old Nov 9, 2021 | 03:53 PM
  #1  
rjr6/150's Avatar
rjr6/150
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Trailering
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Throwing code P0402

Driving yesterday CEL came on. Stopped by the local dealership they ran a quick scan came back as you will see below.

Any ideas?
Vehicle is 2016 F350 6.7

Appreciate the assistance
Randy
 
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Old Nov 9, 2021 | 06:28 PM
  #2  
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Fefanatic
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Most likely the flow sensor is bad. Did they clear the code? Did it come back?
 
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Old Nov 9, 2021 | 07:45 PM
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rjr6/150
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Trailering
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Not yet drove it home from dealer approximately one mile.
 
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Old Nov 10, 2021 | 06:34 PM
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Fefanatic
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Codes help but you need them to look at the data. I have a Forscan package and a laptop computer to run it on. Do the search for FORSCAN and the OBDII adapter and get yourself set up with that. FORSCAN has a free version that works great and a OBD adapter should be around $30.00. You can scan the truck yourself and look at the data. It will also help you with further problems down the road.
 
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