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Old 26-05-2010   #1
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Sedici 1.9 DPF

Hi,

I have got an issue with my Sedici 1.9, apparently the DPF has gone, and I am struggling to find anywhere to get a new one (even Fiat aren't interested)

Predictably the car is just out of warranty (56 plate) and I bought the car when it had 16,000 miles. I have taken it to 55,000 miles (motorway driving 110 miles daily for work), but the other day the little light flashed up on the dashboard and I experienced "limp" mode, unfortunately I was in the fast lane at the time and I cannot thing of anything more dangerous than suddenly having no power. Why do they build this into cars??? The next day it drove perfectly (still with the light on) I got it to an independent garage and back no probs but they suggested talking to Fiat.

Also does anybody know anything about removing this system completely? I have done a lot of reading around and it seems that it may actually improve the car's performance. Any advice gratefully recieved as I am a total newbie at this having never had a problem with any of my Fiat's!!

Thanks.
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Old 27-05-2010   #2
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Re: Sedici 1.9 DPF

never had a car with one but Honest John's column in sat Telegraph repeatedly criticises them; they apparently work better and last longer with long motorway runs like yours; short runs apparently cause major problems and some manufacturers have tried to circumvent this by feeding extra fuel into the system to burn off the DP's; this fuel sometimes gets into the sump raising the oil level to the point where it is picked up by the pistons and used as fuel, the engine then runs wild and self destructs; I suppose you might try getting the exhaust really hot to enable the DPF to self clean eg a long run uphill at high speed followed by keeping the engine running when stationary to reduce air-cooling of the DPF; if you remove it you will have to find some way of kidding the ECU that it is still there.......
The DPF and the cambelt were the 2 reasons I opted for a petrol Sedici
PS what mpg do you get out of your Sedici?
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Old 28-05-2010   #3
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Angry Re: Sedici 1.9 DPF

Well the DPF wasn't mentioned to me when I purchased the car, if it had of been flagged as a potential issue I would have bought something else. I had the RAC out to the car the other night and we tried the "low gear high speed" idea with no success. Apparently the DPF has collapsed so I guess I will be forking out, but not without a fight. The mileage has been about 42mpg recently-maybe I should just drive in 4th gear on the motorway from now on!
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Old 14-10-2010   #4
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Re: Sedici 1.9 DPF

Has anyone ever experienced the diesel particulate warning light come on ? I believe it is the orange warning light to the top left of dashboard , to the left of the blue high beam lamp. I have had problem with engine management light coming on, engine goes into a 'fail-safe' mode requiring visit to dealer who carried out an 'after-sales regen of dpf. However, I would have expected the dpf warning light (speed request) to have come on prior to the engine management light ?

Should the dpf warning light illuminate for a few seconds when ignition turned on ? At least this would give an indication that the bulb hasn't blown. I've also noticed my fuel filter warning light does not illuminate initially when ignition on although owner's manual states it should ?
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Old 15-10-2010   #5
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Re: Sedici 1.9 DPF

DPF's are pretty much a given with any modern deisel engine and they all suffer the same potential flaws.

As previously mentioned dpf engines fare better when given good long runs where the catalysts are allowed to heat up thoroughly... however as with all cars longevity has almost as much to do with luck as anything else!

If you're having no joy with your Fiat bods then speak to suzuki. the SX4 diesel is exactly the same (bar the 4 wheel drive, which on SX4 Diesels only arrived this year).
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