Diesel vs gas......................
OK folks, there have been a few to many diesel vs gas threads that have shall we say gone to "Hell and a hand basket"! So if all of you would put in you BEST, no flaming reasons for going gas vs diese...
Forum Discussion
pullin2 wrote:
So being new* to the diesel game, do you mind explaining what is meant by "forced drive...to regen"? Is this something that happens when the truck is driven for short commutes and doesn't get warm? I use an old Corolla for daily/city drives. The truck usually goes 3-400 miles whenever I start it. Does the truck go into limp mode (slow, like it does when out of DEF)?
You are correct on the meaning and typical cause of the message. Short trips, where the engine does not heat up are hard on the DPF system on modern diesels. In most cases, when the filter is full, and needs to be cleaned, the regen process is enabled, and the filter is burnt clean along the trip (As it would on your several hundred mile trips), however if the typical driving pattern for the truck does not allow it to reach normal conditions, where the regen can occur (fully up to temp), the process will not start. If this goes on too long, with the DPF reading full, it will indicate it needs to be driven to clean. (Get me out on the highway and open the throttle, message) If this is not done, the vehicle will eventually go into limp (reduced power) mode, which then requires a trip to the dealer, to clean the filter, as you do not have the power to reach normal conditions for the regen to occur (catch 22)
