Dpf white smoke

Regeneration is the term used to describe cleaning of the DPF. During this process the ‘wet and sooty’ particulate matter is subjected to further combustion inside the DPF itself. Surface temperatures inside the DPF can exceed 6Degrees Celsius, at which point the soot turns into a hot white ash. I wouldn’t necessarily say the white smoke would be from the DPF.

If you have ever been behind a car that is going through the regeneration cycle of the DPF , you will see the amount of black smoke that will come out from it. Diesel cars will usually produce white smoke from the following three symptoms. The white smoke was observed when the catalyst temperature was more than 450°C, under conditions such as the early stage of DPF regeneration.

Model gas tests were conducted to clarify the mechanism of the white smoke. It was found that SOemitted from the engine was oxidized to SOon the catalyst, which was then mainly absorbed on the. In a Diesel engine with a Diesel particulate filter ( DPF ) system, high-sulfur fuel causes white smoke containing odorous and harmful pollutants during DPF regeneration. Do you get clouds of white toxic smelling smoke when your car regens ? The vehicle in this video fails the final test by 1. CDTI and faced problem that during the DPF filter regeneration process smoke is coming from under the bonnet.

Smell is like burning diesel. White smoke is incomplete combustion. His truck is trying to complete a regen process in which the minute run time to or from work will not be enough to let it burn completely out. Most of the time you have a Haze during a region is because you have a cracked DPF and it is allowing the particles to escape the exhaust the white smoke you see is also unburnt diesel fuel that escapes through the cracks. The LML Duramax has a 9th injector in the exhaust, that is used to inject extra fuel to clean the DPF.

If you notice your vehicle doing any of these, do not be alarmed. Around 200RPM) Engine note change. Cooling fan operating.

Ford F-3Super Duty Diesel Particulate Filter (DPF) cleaning cycle - 1reports. Learn about this problem, why it occurs, and how to fix it. My parents car has been smoking like a pig for the last few months, Diagnosis. Garage condemmed the DPF and replaced it.

The last time I used the engine brake, when I went back to accelerate I started getting white smoke out of the exhaust. After pretty much limping it home for a whole day that white smoke turned to a light grey smoke when I accelerated a little harder. For the most part I do feel a slight misfire, but it idles good still.

This is a lot of times due to High Fuel Restriction. Most likely It is due to Fuel Restriction, as You have no faults. The problem is erratic in it occurrence.

It happens when the truck has been running a while down the highway, pull off to a stop, go to take off again. The truck will start shuddering and belching. If the car starts a DPF regeneration, extend your journey if need be until it has finished the job (takes around 5-mins of driving, in my Alfa at least), and give it some beans to help it out.