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Discussion Starter #1
Can anyone help please?
My 407 2.7 turbo diesel misfires under load (esp after kickdown when overtaking / hill climbing). The problem is intermittent and varies in severity. The gearbox also sometimes starts to hunt when this occurs. It has taken > 1yr to persuade my local dealer that there is a problem; and he now wants to pull off the manifold and clean carbon deposits from the turbo's. I am not convinced that this is the problem and think it is electrical. I had a brief period of "depollution system malfunction" warning that self corrected.
 
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