ATTN: 6.4 Owners-Regeneration Information
#1
07-31-2007, 12:09 PM
ATTN: 6.4 Owners-Regeneration Information
Diesel particulates in the exhaust are trapped by the DPF. Regeneration is the process by which exhaust temperatures are increased so the particulates are combusted. The frequency and length of regeneration will fluctuate as both are determined by the drive cycle. For most drive conditions, regeneration frequency will vary from 100 - 600 miles (161 - 804 Km) between occurrence and last from 10 to 40 minutes. The first regeneration does not require 100 miles (161 Km) and may occur at any time. The length of regeneration is usually reduced if a constant speed above 30 MPH (48 Km/h) is maintained.
The following is a list of normal operation while the vehicle is in regeneration, and do not require repair. If you are not sure if the vehicle is in regeneration,
IDS can be used to monitor the Diesel Particulate Filter (DPF) PID.
• Engine idle speed can be 1100 to 1200 RPM in park/neutral with foot off
brake.
• High idle speed drops to within 50 RPM of normal idle when the brake pedal is touched,
The following is a list of normal operation while the vehicle is in regeneration, and do not require repair. If you are not sure if the vehicle is in regeneration,
IDS can be used to monitor the Diesel Particulate Filter (DPF) PID.
• Engine idle speed can be 1100 to 1200 RPM in park/neutral with foot off
brake.
• High idle speed drops to within 50 RPM of normal idle when the brake pedal is touched,
PRNDL is actuated, or clutch is actuated.
• White smoke in cold ambients is normal and the mount will be increased
during regeneration.
• Powertrain power is limited to 325 horsepower(HP).
• Engine responsiveness may be slightly different than normal operation.
• During initiation of regeneration, exhaust smell may be noticed - especially
on new vehicles.
• Powertrain sound will be different including air induction noise (including
flutter on deceleration or engine shut down), exhaust noise, and
changes in engine radiated noise.
• During regeneration, exhaust temperatures are elevated.
• White smoke in cold ambients is normal and the mount will be increased
during regeneration.
• Powertrain power is limited to 325 horsepower(HP).
• Engine responsiveness may be slightly different than normal operation.
• During initiation of regeneration, exhaust smell may be noticed - especially
on new vehicles.
• Powertrain sound will be different including air induction noise (including
flutter on deceleration or engine shut down), exhaust noise, and
changes in engine radiated noise.
• During regeneration, exhaust temperatures are elevated.
Last edited by BowTieHatr; 07-31-2007 at 12:13 PM.
#2
07-31-2007, 01:22 PM
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question on a another thread we are trying to figure out on the regen. Some are concerned that exhaust temp could be hot enough to start dry grass on fire? One person that owns his heating co took an exhaust temp of 380*, another person thought it was 450* believe the combustion point of grass or paper is 451* Any Thoughts on the subject?
#3
07-31-2007, 03:07 PM
#5
08-21-2007, 01:40 PM
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#6
08-21-2007, 02:48 PM
Originally Posted by Jake4809
Mine just regened in the garage as I put it in park and there is soot all over the garage floor. Is this normal or something wrong with the particulate filter?
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