I have had my Zafira for 3.5 years and over the last few months I have had terrible bother with it jerking along the road like a kangaroo. I took it to my local garage and they suggested I put Redex Fuel solution in the petrol and that I might just have dirt in the petrol tank. About 4 bottles later and at one point the dash emission lights coming on, it still isn't running right. The garage said about putting on the diagnostic machine but they thought I should go with the Redex.
On reading other forums, people might be suggesting it's the EGR valve - exhaust gas!
Using Redex in this case is absolute nonsense. If it was necessary then all Zafira's would have this problem. If the engine management light is lit, then a fault code will be stored in the cars computer, which can be read by any garage with suitable diagnostic equipment - and it doesn't have to be a main dealer. Can I suggest that you try another garage? The fault could indeed be the EGR system, but there are other factors that give similar symptoms.
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