hi im looking for a bit of advice ,ive got a zafira 2.0 dti elegance, i have problems with starting first thing in a morning. The car starts buts takes a bit to get warm up,also i have alot of smoke coming out from exhaust when it is first started up ,takes about 2-3 minutes to warm up before that is sluggish in setting of,once warmed up it is ok and no smoke. i have changed glow plugs , egr valve etc can anyone help
