PS. I have just found this that may help;
on October 30, 2011, 4:09 pm, in reply to "Renault Clio 1.5 DCi 2001 - Occasionally cuts out and restarts, code DF134 #"
>>> Code DF134 Accelometer circuit <<<
Note it says Accelometer and not Accelerator circuit.
Replace the word "Accelometer" with "Knock" and see how you get on. HTH
Regards Mark.
>>>
the C2I that contains the initial Minimum Drive Pulse (MDP) of each injector and the
successive corrections of the MDP that are performed by the accelerometer update strategy <<<
Modern cars, Its all wizardry and witchcraft
Message Thread 
Renault Clio 1.5 DCi 2001 - Occasionally cuts out and restarts, code DF134 # - Malcolm Tripp October 27, 2011, 8:59 pm
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