Audi A3 Dpf Pressure Sensor Fault

There are two exhaust gas temp sensors and the pressure sensor thats already been change that the ecu uses to calculate the ash mass and operation of the dpf make sure they are all checked out.

Audi a3 dpf pressure sensor fault. Hi mate i have the same prob on my a3 i got the dpf sensor code but like you have to adapt it after fitting i. So he bought a new one from the dealership installed it cleared the codes did the sensor adaptation procedure. P0473 exhaust pressure sensor 1 signal too high. Oil that is burnt in the engine creates ash in the dpf that can t be removed.

I have read the wiki page for dpf regeneration for my model and got all the prerequisites to start a service regeneration of the particle filter in 04 basic settings. When i press go it comes up with finished correctly no display. My 2010 audi a3 1 6 cr tdi has the dpf warning light showing on my dash and has since gone into limp mode. If you have vcds then look at the readings from the sensor.

Low signal is the 2nd one. This fix applies to my model 2010 audi a3 with a 1 9 liter diesel engine but should be process should be valid on most vag cars volkswagen audi skoda etc. Replacing the dpf pressure sensor on my 2009 audi a4 2 0 tdi due to engine management fault code p2452. Implausible signal is the first fault which sometimes return even without engine started.

This fault code often indicates an incorrect incompatible exhaust gas pressure sensor 1 g450 being installed. Dpf pressure sensor fault tue aug 27 2013 8 18 pm herne wrote. Audi q5 2 0tdi differential pressure sensor coding. Vag uses two different types of sensors 076 906 051 a formerly 03g 906 051 a for engines through my 2009 and 076 906 051 b for engines from my 2010.

A dpf has a finite life and will eventually need to be replaced. Exhaust pressure sensor 1 g450. The ash volume is showing as 35 6g and soot. Audi a3 2 0 diesel particulate filter welcome to the auto assist blog as easy as 1 2 3 focusing on the a3 dpf blocked problems in this blog we talk about regeneration symptoms cleaning fault codes and how long it would take to replace a dpf if you require technical support regarding the dpf please call 03300100411 please note that all chemicals used are a professional grade which is used.

When the ignition is on and the engine is not running there will be no pressure in the exhaust so the differential pressure should be 0. However the faults are comming back.