Technical 'Antipollution Filter Clogged'

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Technical 'Antipollution Filter Clogged'

theoli

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Nov 3, 2009
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Hi everyone,

I've got a 2008 Fiat 500 1.3 Multi-jet. I've had it for a year and a half now and had to take it to the dealer 3 times for electrical faults. Anyway today I have a new fault showing. Its saying 'antipollution filter clogged'.

So I checked the handbook and it said, in broken English, to 'keep on travelling' - is the actually how to solve it? I just wanted to know if I need to book it into the dealer yet again (I don't think they have a clue what they are doing).

Cheers,

Oli (y)
 
Exactly as said, just keep driving - take it for a run. The message appears if the DPF regen cycle is interupted three times before completion (i.e., if the engine was switched off before the cleaning cycle completed, three times in succession).

The cycle takes about 4 minutes at 60mph, more at lower speeds.
 
Sounds like you are experiencing the DPF regenerating(y) It should be fine after a few km`s driving. If this dont goes away after a few km`s it is probably a fault with it:( Problems with DPF is fairly common on all new diesel cars, not just the Fiats:( New technology I guess(n)
 
Thanks everyone :D That was much simpler than calling the dealership! I'll take it down the M5 tommorow.
 
Thanks everyone :D That was much simpler than calling the dealership! I'll take it down the M5 tommorow.

Theoli, the diesel doesn't need to be driven hard to clean the DPF. In fact a steady speed in excess of 60KPH with engine revs of 1800RPM or over have been found to be the best way of sorting this problem.

This is not just hearsay but fact, borne out by a Fiat tech on this forum having gone into this quite deeply.

I personally drive mine for about 10 miles at 70mph in 5th gear (which fulfills both of the above parameters) but if traffic speed is lower then 4th gear will maintain the revs at the lower speed.
 
I thought it didn't need to be driven hard, but just at a faster speed. The cycle injects more fuel to heat up the DPF to turn the particles into fine ash.
 
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