I’m just local dirt hauler, and this whole DPF system is new to me. So I was told to not keep topping up def fluid. Let the older stuff run down then put a few gallons in. I only did this once but won’t run it down to red level again
Engine derate in 3 hrs, seek service immediately!
Discussion in 'Kenworth Forum' started by kestrel1, Aug 26, 2020.
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Lazer Thanks this.
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Had same problem. It happens to me when is fog present. Just go on dry weather, sun preferably, open your hood and wait 1 hours minimum with engine off. It works for me every time it happens.
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