Help! Engine derated to 25% and won’t start!

[Tino C]

(12-24-2018 )Signature620 Wrote:  Did he clear other faults before this photo was taken? That fault 3714 is just an information fault to say that there is a derate active due to emission related faults.

Does it not fire or not turn over?

He did clear the other inactive faults. I will have them look into it to see if those faults can be still found but I think it was the one showing “low DEF level”. It does not turn over. Thanks for taking the time to respond!