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Discussion Starter · #1 ·
Hi got a 2007 zafira cdti 120 with 77000 miles and on first start up from cold it runs rough and smokes but after a while it's ok have checked glow plugs and working ok , when you disconnect temp sensor on stat it runs fine so put new sensor in and it still runs rough , no fault codes any body got any ideas thanks
 

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Discussion Starter · #2 ·
Hi suppose to have had full service with timing belt before we bought it also only done 77000 miles any ideas as getting fed up with it thanks
 

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When you say you checked the glow plugs what exactly did you test and what were the results.
 

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Discussion Starter · #4 ·
They took them out and tested them with battery and wire , this is my brother in law told me as it's his car
 

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Discussion Starter · #5 ·
Hi sorry hecalso said that this morning when he started it from cold it sounded like it was running on 3 cylinders and there was no throttle for a second or two thanks
 

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You could try cleaning the egr valve, if its sticking open you can get these symptoms but it does sound like a failing injector, it needs looking at in more detail to confirm this.
 

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Discussion Starter · #8 ·
Hi with reference to problem put new egr valve on and seems bit better but now got eml light on with code p2279 air intake system leak could it be a leak in the intake pipe , also when started up sometimes have no throttle response thanks
 
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