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Discussion Starter #1
My 2005 CMAX 1.6TDCi with 39k on the clock isshowing the engine management light on and is giving a P2002 code, which is "Diesel Particulate filter efficiency below threshhold. " Is this related to the fuel additive stuff which has its own tank beneath the car? Does anyone know the cost of replacing this additive if the car needs it, and is it a DIY job. My diagostic kit is Gendan's engine check which can clear just about any P-code.
 

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Discussion Starter #2
Got this intermittent fault sorted in the end. It was the DPF differential pressure sensor.
 
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