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Discussion Starter #1
My Zafira A DTI, has been for sometime now dropping into limp mode when i'm on my way to work, it always happens when the engine is under load going up a long hill on the motorway. It's always the same hill, sometimes either side and it did it maybe 1 in 20 times when going up the hill.
The engine would drop into limp mode for a split second and then regain power.
Now i have put up with this for a while, but it now is getting a little more frequent and it did it for the first time on a smaller hill.

When i first looked into this problem, i read a different forum and it pointed to the cam sensor or knock sensor.... !

Can anyone confirm this, as i also believe it's quite easy to change and so would have a go myself.....?

Thanks in advance for your help....:D
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