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Depollution System Faulty.

bobsp

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Joined: May 25, 2008 Posts: 5 Posts Left: 1
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PostPosted: Tue 13 Jul, 2010 10:26 pm Reply with quote
Hi,

2.2 SE Petrol.

Well I have had this failt displaying on and off for the last 3 years. I have had it looked at a couple of years ago, but nothing replaced, as they could not decide what to replace.....

It is on an 04 and has covered 42,000 miles. It used to stay on for a couple of weeks, then nothing for a month or so, and it has been like that for 3 years, never gone into limp mode. The car was used mainly for short trips, which I have heard can cause this, but dont know where to start.

The thing is, now I can turn it off, well get it to not come on. I get in the car, press the accelerator, as if to flood the engine, for 2-3 seconds, start the car as normal, and it never comes on, this can last for a few days to a few weeks, during this time I start the car normally, and when it comes back on I press the accelerator for 2-3 seconds ant start the car.

Now this sounds like it is fuel related. I have tried allsorts re fuel, from supermarket, decent fuel super plus, used injector fuel addatives, none of that makes any difference.

What can I do here as I am sure there is not alot wrong here. Fuel filter? If so I am not sure where it is located, do any pointers would help.

I will take any advise and gove it a go. I am reluctant to give it to Peugeot for them to throw all sorts of parts at it and giving me a nice bill.

Thanks in advance....

Bob
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Re: Depollution System Faulty.

bobsp

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PostPosted: Thu 15 Jul, 2010 12:11 pm Reply with quote
Anyone?
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Re: Depollution System Faulty.

chrissy2

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PostPosted: Sun 08 Aug, 2010 8:13 pm Reply with quote
HI

Is your car a coupe?  Mine is a 2.2SE coupe (but might be same problem with other models) and I had a lot of trouble with my car starting with the depollution system faulty message.  No problems at all until it went in for MOT.  Passed MOT but when I went to collect it from Peugeot and started it up I got that message.  This went on for months and months and I paid for various parts to be fitted as instructed to Peugeot by my car's computer.
To cut a long story short it turned out to be a tiny cheap part called a coolant temperature sensor which was leaking slightly around the rubber seal or something and leaking onto the ECU (computer) or similar and the wiring harness and making the computer give faulty messages.  It cost about 56 pounds to have that part fitted and supplied but garage said wiring harness and ECU probably damaged and probably needed replacing at 1200 pounds.  well I don't have that sort of money so they said it might dry out and so far has been ok.

I am in process of claiming a refund for parts they fitted that didn't need fitting.  Another owner on another website advised me that the garage should have tested the parts that the computer said were faulty instead of blindly replacing them.  I spent about 500 altogether.  They had the car in at least  6 times including a full service and never noticed the leak in all that time despite the fact that water was sitting on the ECU lid and could clearly be seen.  It seems when servicing they don't bother looking at the engine at all but just plug it into the computer.

Had the aa out several times before it was fixed courtesy of my daughters' bank accounts and eventually joined myself just in case and a week later had to be relayed home 150 miles

So I would get that part checked out and you never know it could be that.  we are convinced that they blew the seal when revvving the engine for the MOT.

we have also changed petrol and car goes a lot better now.  apparently supermarket 95 petrol often contains other bio-oils like petrol made from crops supposed to be better for environment but what it does is reduce the octane level of the petrol to about 92 ish and we found this out on the French Total website.  Total petrol has over the last year or so changed its 95 petrol to add the bio fueil and now they don't call it 95 that label has been removed from all the pumps because it is now only about 92 octane. however the 97 excellium is still 97 octane and we have used it since having all problems and think car actually seems smoother now as it always sounded like a rattley old diesel before and sounds a lot smoother now.  unfortunately it costs more.  the Total website has a list of cars that should be ok with the new fuel and ours should be OK but unfortunately it doesn't seem to be.

if you don't get any joy then try another forum as there is some quite good advice on them and some of them have the same members who try and help others.

good luck chrissy
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Re: Depollution System Faulty.

ga1zz2

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PostPosted: Sun 26 Sep, 2010 7:06 am Reply with quote
Hi people!
this might and probably is a flook but thought i would share my good fortune on here.I have had a 407 se 136 lux pk 2.0 tdi for a year now and its demented me with the depollution and management light always on for most of this time.I have just changed fuel filter and the car has transformed into a flying machine compared to how it was, then i noticed that the depollution bleep and fault warning had gone and also the engine management light was off. I honestley thought it would just come back on in a few mins,it never. I decided to take it on the motorway and kept a constant 2000 + revs for about 15 min as i read that this could clear unit out, I had been unable to do this before as car was permantly in limp mode but i had become so used to driving it like this because i didnt have the money for a new depollution unit.It has now been about 4 months without the ugly warning signs and the sole destroying bleeps it made every time i started the car.I dont know how this has fixed the fault but its now gone and seems to be for good.(diesel fuel filter was 17.00 and only cost 8.00 to get garage to do it.I would recoment this as its going to be good for car anyway and for penny`s,Hope someone has the good luck with this as i know how frustrating this problem is. Good luck to everyone ( I` now away for a fast drive) ha! ha! ha!     Gaz from Newcastle
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Re: Depollution System Faulty.

jonny007

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PostPosted: Tue 28 Sep, 2010 5:35 pm Reply with quote
Hi i have Peugeot 407 1.6hdi its on 94k dpf fluid light has come on i have put 3 litre fluid inside but the light still on i have rested the light but it;s still not comin off. Can someone please help me.Thankks
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Re: Depollution System Faulty.

ionarhum

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PostPosted: Fri 28 Jan, 2011 2:20 pm Reply with quote
I had a message saying 'Engine Anti-pollution system faulty' (if thats the same thing) on my 407 2.0 Diesel.

It was fixed with a new fuel filter for about 26 fitted!
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Re: Depollution System Faulty.

johnsafc

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Age: 39
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PostPosted: Mon 14 Feb, 2011 9:59 pm Reply with quote
hi johnny007 have you had the counters reset to say its full? Had the same problem on my 807.
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