[/Cotton\]

It had apparently gotten so hot that it melted the nipple where the hose attaches. So I bought a new one and installed it and also did some research and found my thermostat was bad as well. Replaced that with a new one. Once the new thermostat was installed I drove the car and using the Foxwell I forced a couple DPF regens. The computer system in the car never even gave an SES for the backpressure sensor. After all was installed and running car appeared to be running well and regens were successful. After about 100 miles I got the fault code for the exhaust backpressure sensor. Telling me the car is driving in limp mode even though it drives normally. Does the sensor adaptation need reset or am I missing something else? If the sensor adaptation needs reset has anyone done so with the Foxwell? Thanks for all the replies.

[335dlci]

Your dpf is clogged. As I always say. Forcing regens doesnt fix anything.

[Nadir Point]

The real fun part with DPFs is when the clog happens under the right conditions going down the road and a re-genning DPF explodes in a spectacular blaze, burning the whole vehicle down with it.

[/Cotton\]

I seen somewhere in one of these threads a method to cleaning the DPF by using a additive and driving the car for 50 miles or so at a higher RPM by using paddle shifters to keep it in a lower gear. Does anyone have experience trying this method or is my only bet going to be remove the DPF and having it cleaned?

[335dlci]

The additive is a hit or miss bandaid.

[/Cotton\]

I'm not just going to put an additive in there. I have found procedures on other sites as well about how to unclog a DPF via adding an additive to help the DPF and just making sure your driving at a higher RPM I've seen 2000RPMs. Drive like that for 50 miles or so and it is supposed to clean it up by mimicking the conditions that cause regens more often that normal allowing it to clean itself out. I'm just checking to see if someone else has tried this.

[335dlci]

Originally Posted by /Cotton\

I'm not just going to put an additive in there. I have found procedures on other sites as well about how to unclog a DPF via adding an additive to help the DPF and just making sure your driving at a higher RPM I've seen 2000RPMs. Drive like that for 50 miles or so and it is supposed to clean it up by mimicking the conditions that cause regens more often that normal allowing it to clean itself out. I'm just checking to see if someone else has tried this.

Yes this is what I was referring to. Hit or miss.

[335dlci]

The additive makes a cloud like it's on fire for about 20 mins just revving it up. By the time you get all of it on there
Most of it is burnt off.

[PURE340i]

On commercial trucks we would blow and bake heavy ash clogged DPF's when i worked in the dealership and with the diesel oxidation catalyst we would just low pressure wash it.

I'm pretty sure this method will help and i might do this myself soon: