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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
 

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I know this is a really old message, but the reply may help someone.

This fault could well be rotten and leaking injector bleed-off pipes, especially if the symptoms are accompanied by the smell of diesel. These pipes take excess fuel away from the injectors - when they start to leak, they allow air into the injection system. The best thing is to replace the whole lot in one go - if you have one leak, others are sure to follow!
 
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