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Regen and the CEL

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Old Jan 28, 2022 | 08:21 PM
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BowlerGT
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Regen and the CEL

My 2015 has a CEL for my def heater. I have a factory heater that my friend whos a ford mechanic is going to install next week for me. My question is Im at about 65% on my def screen and I need to go pick up an atv thats about 120 miles round trip. I know it will hit 100% during that, will the regen run with that light on? High tomorrow here is 15 degrees if the heater isnt working (assuming so with the light?) will the fluid even be a liquid to work? Last question if it would help should I download forscan and try to do a forced regen before Id go? I have a obd dongle and forscan lite currently on my phone. Thanks for any advice
 
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Old Jan 28, 2022 | 08:33 PM
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DEF heater and regen are not related. You will be safe to go pick up ATV. The heater warms the DEF so it is injectable in the exhaust during cold weather to reduce NOx emissions.
 
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Old Jan 29, 2022 | 06:47 AM
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Originally Posted by Just Strokin
DEF heater and regen are not related. You will be safe to go pick up ATV. The heater warms the DEF so it is injectable in the exhaust during cold weather to reduce NOx emissions.
but I have code p20ba which I believe means my def heater is not working and the check engine light is on, I would assume it won't do this then?​​​​​​EDIT: sorry Ive been wrong this whole time I thought def was used during a regen
 
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Old Jan 29, 2022 | 09:28 AM
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The heater keeps the DEF from freezing. There is a pump on top that pumps the DEF to the nozzle. The pump still works so regens will still happen
 
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Old Jan 29, 2022 | 12:09 PM
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gp get the ATV.
 
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