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Discussion Starter #1
Hi all, I have a 2005 307 1.6 HDI sport and have got several problems with it. The main problem is the anti pollution fault. Looking on these forums it seems that this is a common problem and we have had it at our local peugeot specialists, spending hundreds so far without success. We have had the fuel cap sensor replaced, fuel filter replaced, additive topped up but still have the message pop up. The odd thing is though, the fault seems to appear around every 20 miles, stays on for 20 miles, and then go off again for another 20 miles, and so on. I have seen on other threads that there is a procedure you could do with the DPf (drilling and half crushing the pipe) but wanted to know if anyone has had this done, and will it rectify the problem?
Any help or advice will be very much appreciated,
thanks, Jason
 

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and whereabouts you are would be useful ???
 

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Discussion Starter #4
hi, we are in Leicester, i took the car to a peugeot specialist and the car was showing lots of faults regarding the anti pollution fault (can't remember the specifics). They informed me that one or more faults could be triggering the other faults and the only way to solve the problem was to systematically fix one by one. There was a fault with the fuel cap sensor which was adding too much additive and thus depleting the additive and having too much additive in with the diesel. They sorted the fuel/additive balance, replaced the fuel cap sensor, topped up the additive, and replaced the fuel filter. 2 days later the anti pollution fault came back on and seems to come on and off in 20 mile cycles?! The limiter does sometimes kick in occasionally when the anti pollution fault is on and it also seems to run quite rough too, but then other times the car runs smooth with the fault on. I have heard horror stories of people spending thousands with regards to this fault and am fearing the worst :(
The other faults are :
The passenger airbag has been de-activated and the airbag fault light is on - These lights came on after i had returned to my car at a car park but i know the owner of the car park and he insists the car was not bumped and there is no damage to the car to suggest a bump
The key fob does not work properly - This fault occured at the same time as the airbag lights. The key fob will not work until you have unlocked the car, then it will lock/unlock for a few minutes. It seems as though the economy mode is affecting the remote system??
This car is by far the worst car we have ever owned (and i've owned some dodgy motors lol)
Any advice people?
 

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Why change fuel filter?
Because a blocked fuel filter can cause the depollution fault to come on. It happened with my 307 1.6 hdi 110. It should be replaced every 36k. At 40k, the light came on, goes into limp mode. Gradually gets worse, dealer tries to fix it. Replaces bits and bobs, as per fault codes. Just gets worse. Replace fuel filter, and hey presto, fixed. Same dealer that serviced the car prior to me buying it off them - the 36k service.:(
 
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Because a blocked fuel filter can cause the depollution fault to come on. It happened with my 307 1.6 hdi 110. It should be replaced every 36k. At 40k, the light came on, goes into limp mode. Gradually gets worse, dealer tries to fix it. Replaces bits and bobs, as per fault codes. Just gets worse. Replace fuel filter, and hey presto, fixed. Same dealer that serviced the car prior to me buying it off them - the 36k service.:(
Another case of throwing parts at a problem instead of starting at the basics.
 

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Because a blocked fuel filter can cause the depollution fault to come on. It happened with my 307 1.6 hdi 110. It should be replaced every 36k. At 40k, the light came on, goes into limp mode. Gradually gets worse, dealer tries to fix it. Replaces bits and bobs, as per fault codes. Just gets worse. Replace fuel filter, and hey presto, fixed. Same dealer that serviced the car prior to me buying it off them - the 36k service.:(
I understand what can happen with a blocked filter , but was it blocked? Diagnostics is the first port of call with any Peugeot :nod:
 

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Discussion Starter #9
Right, my girlfriend found a few threads regarding the anti pollution and tried a couple of remedies. One that she done was start the car up on the drive (anti pollution fault was on) and hold the revs at around 5000rpm for a couple of minutes. 10 minutes later we took the car to the shops and the fault cleared and hasn't come back on for around 80 miles! Still no fault so happy days. Bit strange though.
Anyone else experience this or can anyone shed any light on why this has worked??

Thanks all
 
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Right, my girlfriend found a few threads regarding the anti pollution and tried a couple of remedies. One that she done was start the car up on the drive (anti pollution fault was on) and hold the revs at around 5000rpm for a couple of minutes. 10 minutes later we took the car to the shops and the fault cleared and hasn't come back on for around 80 miles! Still no fault so happy days. Bit strange though.
Anyone else experience this or can anyone shed any light on why this has worked??

Thanks all
Thats crazy stuff. You're lucky the engine didn't blow. :eek:
Get a diagnostic check done.
 

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anti pollution fault

Right, my girlfriend found a few threads regarding the anti pollution and tried a couple of remedies. One that she done was start the car up on the drive (anti pollution fault was on) and hold the revs at around 5000rpm for a couple of minutes. 10 minutes later we took the car to the shops and the fault cleared and hasn't come back on for around 80 miles! Still no fault so happy days. Bit strange though.
Anyone else experience this or can anyone shed any light on why this has worked??

Thanks all
is your problem still fixed ??
 
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