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2008 vectra 3.0 v6 cdti rough running

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Hi all I'm after some advice, my v6 diesel is very jerky on throttle when she is cold to the point where you touch throttle and it kangaroos does any1 have any idea wat it could be? Any advice would be really appreciated 

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Hi thanks there are no faults at all. I sometimes get the spanner light come up and my bluetooth scanner shows something about torque converter automatic but my car is manual

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If it only happens when its cold then I would imagine it to be a coolant temperature sensor.
If you plug in the OBD reader, can you select live data and read the coolant temperature when its cold.
If its a ridiculous reading such as -30 degrees Centigrade or +25 degrees Centigrade for example then it is out of range but not flagging a code.

Let us know what you find

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