Dpf problems

[Mickey b]

Hi
I have a ml 350 2011with 107000 miles on clock, about a year ago I had egg valve replaced, but since then every 6/7 weeks I get a eml light come on, when it’s plugged in it says regeneration occurs to many times.my local Indy has done tests and said he cannot find any fault whatsoever, any ideas please

 

[Jim2]

Hi
I have a ml 350 2011with 107000 miles on clock, about a year ago I had egg valve replaced, but since then every 6/7 weeks I get a eml light come on, when it’s plugged in it says regeneration occurs to many times.my local Indy has done tests and said he cannot find any fault whatsoever, any ideas please

Just wondering if your problem is to many failed attempts to do a complete regeneration? There's certain conditions that need to be met for a regen to take place, so anything that stops it completing, will make it try again...and again