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P2471 Exhaust Gas Temperature Sensor Circuit High
P246F Exhaust Gas Temperature Sensor Circuit Range Bank 1
P247B Exhaust Gas Temperature Sensor out of Range Bank 1
P246E Exhaust Gas Temperature Sensor Circuit Bank 1 Sensor 4
also so i got a fault light on for DEF system fault limited speed to 50 mph
when i got back to home from my road trip i have a small tick coming from the DPF.
I am thinking the DPF is plugged up

any thought would help.
 

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I would start my checking your EGT sensors. If you can read with live data that would be a better indicator of things.
 
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