I would only use the genuine Ford fluid .It is about £200 for the 5litre refill kit ,but the car takes around 2.5 litres.Then you have the added problem of resetting the dpf system through the diagnostic system.The tank sits at the back of car by the rear axle beam.It is a very messy job as the fluid is like creosote.May be an idea to give Ford dealer a call as they often do a special offer on this job as they only charge for the fluid used.hth
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