Jump to content

regen problems

Recommended Posts

Once again I'm having regeneration problems on my 2008 Cummins 8.3.  I don't know if this is "normal", or if I really do have an issue.

3 years ago the DPF plugged up to the point of derating, at 100k miles, and I had it replaced at considerable cost. The truck has run fine since then, but, after a couple of hours of city driving yesterday which couldn't be avoided, I arrived home to hear that dreaded groaning engine sound and the DPF full light came on.  I tried to start a manual regen, but I'm not sure I pressed the switch correctly as I later saw it has a little slider tab and a down arrow on it.  I did not notice that.

Now, I'm hoping I can simply hook up and start towing to make this problem go away. There's no freeway near me so I cannot drive at high speed.  I may be able to get the manual regen to work later if I press the  switch correctly, but that requires a warm engine and I'm not taking that chance right now.

Sooo... can I assume this truck is regenerating properly when driving as it's been fine for years until yesterday? Can a truck shop make this thing regen if I can't? (I talked to Sportchassis yesterday but this person wasn't much help)


Edited by hemsteadc
Link to post
Share on other sites

I don't know that much about forced Regen but been around a few. First put the engine to a fast idle, after the engine warmup the regen should work if allowed.

I had a Ford 6.7 that had frequent auto regens and you knew it happened. I have a 2015 Sports Chassis 8.9 Cummins. I only know if I'm in a regen if I'm stopping and the engine goes to an idle. I get a hot exhaust warning, nothing else. I don't have the DPF but have a catalyst which operates somewhat the same.

Call a Cummins engine dealer/service shop, Have your engine number available, they should be able to help you.

Clay with the truck basically parked the the Covid-19 and other health problems.

Link to post
Share on other sites

Join the conversation

You can post now and register later. If you have an account, sign in now to post with your account.

Reply to this topic...

×   Pasted as rich text.   Paste as plain text instead

  Only 75 emoji are allowed.

×   Your link has been automatically embedded.   Display as a link instead

×   Your previous content has been restored.   Clear editor

×   You cannot paste images directly. Upload or insert images from URL.

  • Create New...