dpfe

Got error code P1402- DPFE hose upstream clogged/off & P0473- Exhaust pressure sensor circuit A high. Causes my Vito w639 120cdi 3litre v6 to go into limp mode until code deleted! Was advised to replace the dpfe sensor & the 2 Hoses with original parts as cheap parts fail & the Hoses also...

DPFE (differential pressure feedback EGR) sensor is it prone to die? my W203 C220 CDI is starting to act up entering limp mode due to a P0401 code... valve working correctly but DTC cores keeps coming back to pending codes... is the DPFE sensor expensive? where is it located? is it a...