The temperature sensors, spread through the aftertreatment system, measure the exhaust going into and out of each filter. Sometimes after delete, the regen light & DEF gauge will blink (be turned on). Otherwise, if you continue to drive without completing a parked DPF regen, then the vehicle will get into a derate mode. You need to keep your vehicle well-tuned. Sometimes, it makes the exhaust system useless, and an owner needs to use aftermarket catalytic converters. Some trucks will let you monitor your soot level gauge on the dashboard. Idling the truck engine for three or more hours in freezing temperatures accelerates soot buildup in the DPF, requiring more frequent regeneration. Or, if other engine components such as EGR valves, turbochargers, injectors are fouled or not working properly. An issue with the engine can prevent DPF regens and cause issues with your emissions control system. Regen light still on after regeneration. Connect to International vehicle using DLB program(position 1 on photo below). There is no specific time on how often a regen takes place. As far as the regen goes there is a differential pressure sensor that looks at inlet pressure verus outlet pressure and if they stray beyond there set limits then the {acm) after treatment control module thinks the dpf is plugged and want to do a regen. After about 20 minutes or so display goes off, I can idle it back down. When it's flashing, the regen must be done while parked.
Blockage = inadequate highway driving. You have to make sure that your oil level does not rise above the maximum dipstick level, because if it does, you could damage your engine. Your engine, however, is another thing. Display the special hangtag that says "Caution – parked – DPF regeneration in progress.
If you don't cure the disease, the symptoms will just keep popping up. Challenges of regeneration. The truck was new to us with 50, 000 kms on the clock, when we left with FTC in the tank. Malfunctioning hydrocarbon doser. Check Engine Light On? Pull over. On the other hand, active regeneration occurs when the exhaust isn't quite hot enough to remove the accumulated soot. It is also worth noting that an active DPF regen is one thing to keep in mind, which basically means that your vehicle performs this process in an automatic manner.
This system doesn't continually run the Diesel Exhaust Fluid (DEF) through as a constant cleaning process. A couple of other things to realise. Flashing Red Stop Engine Light - driver has 30 seconds to stop the vehicle safely before automatic engine shutdown (if the Engine Protection Shutdown feature is enabled). For example, if there's an air leak in the inlet, after the turbo and the MAF sensor, then the MAF sensor will read too high (relative to the air that's actually making it into the engine). Check Engine Light On? It takes approximately 20-60+ minutes. This creates enough heat to burn the accumulated soot off the DPF filter. How to disable REGEN light and DEF gauge on International vehicles. Regeneration is usually seamless and automatic, in the background, but for some reason this has fallen over on your vehicle. It's made of ceramic material, which is very durable, and if you're following your OEM's recommended regeneration procedures, the filter will work well for a long time. Remember: Owner abuse is how manufacturers escape warranty claims - DPF abuse is very much part of that.
Now, a possible issue would be in your DPF filter. You can remove the DPF and clean the filter if the regen still doesn't work. This reduces the soot burn temperature to 350-400C…a temperature readily reached by engines under even light loads. Do you actually need to do a parked DPF regen when the truck is asking for it? The DPF status light is flashing. The first sensor is in the DOC and the last is after the SCR. Regen light still on after regen eye. An active DPF regen is when the truck does this process automatically. So much for some background info.
It's 1400 kms of poorly maintained road, with scrub closing in from both sides. The dealer provided the coach to us at delivery with full everything, doubt the DEF was old. DETROIT DIESEL TECH, if i help press thanks and rep. So, vehicles are subtly different, and the DPF light activation scheme varies.
Most of my driving is at highway speed. It is also good to know the difference between a parked and a forced DPF regen. I didn't feel the engine in derate but I pulled over and did a regen, I checked the gauge for the filter and it read it was ok but I did it anyway. Regen light still on after regen hair. Engine power will de-rate — by as much as 40 percent — and begin a shutdown sequence. How to clean, clear and reset (regenerate) the system. Much of the confusion surrounding different dashboard warning lights and light sequences is a result of advanced technologies for engine and emissions systems that were introduced in recent years. I sold commercial trucks, bodies and equipment for years and slept through one too many classes on these systems when they came out. One other driver with 410k miles on the truck was planning on replacing the filter.
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