That part is the EGR motor assembly with position sensor
Secured to inlet manifold with 4 screws.
Post the code, it maybe faulty or possible EGR valve possibly sticking abit
2003 Transit mk6 T280 100ps Exec - Current Project
2012 Vauxhall Insignia SRI Nav 2.0 CDTI
Ford IDS - diagnostics, Speed limiter removal, PCM updates, Fuel pump/Key coding services etc
Offered in - Norfolk, Cambridgeshire & South Lincolnshire