The DOC also protects the DPF. Hydrocarbon liquids or vapor can interfere with the DPF’s ability to trap and remove particulate matter, so manufacturers route the exhaust through the DOC first They think they have sorted the ecu p1900 light problem, will see next week if it comes on at all They tried a blanking plate and it made no difference to the smoking, so they removed it they then checked the swirl valves which are broken and manually moving them made a difference to the smoke apparently, there is also a miss fire on the injectors. Here's a shot of the parts that came off the car. You can see the DPF filter, EGR filter, and primary and secondary cat with exhaust flapper. Behind that you can see the passenger side drive axle. The DPF unit alone is a lot heavier than it looks. I'd estimate it to weigh at least 45, maybe 50 pounds. Diesel Particulate Filter. I bought my 2.2 Exclusive 163bhp in April 2012 and find great difficulty in achieving fuel economy nything near the 50.4 mpg stated in the promo brochure for extra urban driving. On a run, I generally get around 34mpg; if I really try I can get around 39; but only on a handful of occassions (with a pre-warmed engine You can take a look at my machines at dpf alternatives/las vegas on Facebook. The filters pictured above. The little one is the DPF and DOC combined in one casing. We split the case apart to properly flow check the DPF and clean both the DPF and DOC. The SCR on the right you would be surprised on how much build up this thing can have. I am a total newb in the area of diesel emissions so I am not sure if the SCR was deleted along with the DPF or if it still exists. Either way, no DEF required. I believe the gauge should always read 1/2 with the GDE tune. Thanks! I can confirm that the DEF level shows half and has not moved a bit since the GDE tune. Admittedly, it's hard for an MoT test station to detect whether a DPF has been removed. Unscrupulous owners can easily remove the DPF assembly, and some garages even offer a DPF removal service. A DPF delete can cost from a couple hundred dollars to more than two thousand dollars. In most cases, the cost depends on the size of the truck, the complexity of its system, and whether or not you need services. Can You Tell If a DPF Has Been Removed? The question of how to determine if your car’s DPF has been removed has long baffled mechanics. .

how can you tell if a dpf has been removed