Hello! Fault code 520349 FMI 14 is the DPF Filtration Efficiency Low/ Soot sensor detects elevated soot accumulation. Here are 3 reasons why this may be going off: 1. Are any other fault codes present? If so, diagnose those first. 2. Faulty DPF 3. Fault soot sensor Did we answer your question? Please let us know if you ever have any more!
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Thank you for the information!
What if i use truck my truck local and keeps asking an active regen but truck does a lot of stops. Is there a way to remove this regen?
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Does anybody know the code for ACM 520349 14 , for frightliner Cascade 2019
Hello! Fault code 520349 FMI 14 is the DPF Filtration Efficiency Low/ Soot sensor detects elevated soot accumulation.
Here are 3 reasons why this may be going off:
1. Are any other fault codes present? If so, diagnose those first.
2. Faulty DPF
3. Fault soot sensor
Did we answer your question? Please let us know if you ever have any more!
Thank you for these videos specific to Paccar MX engines
Glad to hear! Let us know if you have any questions! Thanks!
At around what soot % level should the truck start doing an active or passive regen?