C5 Unblock Diesel Filter

[fiatman]

I have a 2.2 HDi C5 and at present i am recieving a message on the display screen telling me to 'unblock diesel filter.' anyone any idears??

[kfk]

Chances are the particle filter on the exhaust is in need of replacement and the the eolys fluid additive tank requires refilling. This is a service item that requires doing at 50,000 miles or 75,000 miles dependent on the age of the vehicle.

 

If your vehicle hasnt achieved the mileage where replacement should have been done it might benefit from a run up the motorwayfor 15 minutes at 50mph.

[fiatman]

Thanks kfk

its the wifes car that is used mainly in town for the school run so 99% of all runs are short were the engine never truely warms up, you diagnosous was spot on, the dash board has been lit up this last two days fuel additive low, unblock diesel filter, anti pollution problem, the asr/esp also quit, the engine was way down on power it would not rev over 3500rpm and the engine light was on. I drove it for 10 miles in 4th gear at 2500rpm turned around still no difference drove for 4 miles in 2nd gear at 4000 rpm still no difference, stopped switched off the engine and when I restarted 15 minutes later all faults were cleared and the car ran as per normal. I assume that the exhaust particulate filter was clogged promting the ecu to half the power to the engine in case of damage, this reduction in power must have effected the esp/asr? The long drive at full operating temperture must have cleared the filter. Anyways alls well now thanks for the advice if only all faults were this easily cured. :lol: