Affects Citroen C4 Picasso/Grand Picasso 1.6hdi (2006-2010 Juddering in 1st Gear with Engine at Idle Diagnostic test required to check and adjust engine management parameters. Also check engine/transmission mountings and replace as necessary. Affects Citroen C4 Picasso/Grand Picasso 1.6 hdi (2006-2010) & Citroen C3 1.1 (2002-2010) Citroën C2 (2003 - 2009) Owner Reviews. Review. Owner Reviews. Specs. Used Prices. Lease deals. 59 owners have reviewed their car and noted advice on any problems they have experienced. Average owner rating: 3.7 out of 5 3.7. 5 stars 20% of reviews (12) CkgOne.