Normal for DPF gutting ?

[Gazwould]

Non VAG , car recently received Stage 1 egr and dpf gutting .

It broke down today suspected alternator which is near the dpf and noticed two vac lines ? disconnected off the dpf .

Normal ?

 

[Gazwould]

Think they are the before and after pressure sensors to determine back pressure level .

 

[WesternFreight]

They have been disconnected to ease removal of dpf and someone has forgot to connect em back up

 

[Gazwould]

That was the case .