P0478 exhaust pressure control valve

[huey111]

Hi guys I have a 2011 navara 2.5 DCI sh7058/sh7059 which I have deleted dpf ... But car still going into limp mode with p0478 DTC showing from what I know this is pressure control valve like old exup which is in exhaust ...but this car does not have one ....can anyone give me any advice kind regards

Sent from my VFD 900 using Tapatalk

[bobolin4o]

Post here the ori and the DPF off files.
Regards!

[huey111]

Hi I will post tomorrow when I get home guys

Sent from my VFD 900 using Tapatalk

[huey111]

please see attached545409 mod and ori file

[mihaiservice]

Hi
only temperature liniarization from dpf are modified in file .
such car its use two back pressure sensor,first are for dpf and the second for egr valve.

[huey111]

Hi
only temperature liniarization from dpf are modified in file .
such car its use two back pressure sensor,first are for dpf and the second for egr valve.So both back pressure sensors need sorted as well ?

Sent from my VFD 900 using Tapatalk

[huey111]

Big Thanks to Prochoice he got me sorted top man .... sorry for late reply been off my feet for a few days

[robkobg]

I have the same problem, p0478 is the EGR pressure sensor. How did you solve the problem?

[Shvaba]

Same problem here.. how did you resolve your problem?

[alonedark]

Is easy remove Dpf ok an put his sensors ok this solution is a combinated