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Old 26-01-17, 12:41 PM   #1
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Default DPF filter blocked, help please

Hi guys, I have a Peugeot 407 SW 1.6HDI 2007
The DPF filter is blocked.
I took it to my local garage and they tried burning the blockage out but were unsuccessfull and I was told that its over 90% blocked.
My car has no power with this fault, I sometimes have to change down to 2nd gear going up hill!

I was told that replacing the DPF is VERY expensive, so whats the best options?
I saw this DPF on ebay: YCP11103 1127 DIESEL PARTICULAR FILTER/DPF FOR PEUGEOT 407 1.6 09/2004-
I'm tempted to buy it and get my local mechanic to fit it, but can someone please advise if this is the correct filter and if i need to replace or fix anything else to get my car up and running again?

Also is this blocked filter the reason for low power in the engine?
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Old 26-01-17, 12:59 PM   #2
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You can take off the DPF and clean it "by hand" with a hot pressure washer. I did this on a 307sw 1.6 and it worked wonders.
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Old 26-01-17, 04:09 PM   #3
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Would recommend getting it hooked up to Plant and having any fault codes read.

If the filter is Blocked, i guess the engine has dropped into limp mode but the only way to be certain is to have the codes read check out who is close to you on here .
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Old 26-01-17, 04:31 PM   #4
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unblocking the bpf is one thing
finding out why it blocked in the first place is another thing

both need doing to sort it proper
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Old 26-01-17, 05:13 PM   #5
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As above the DPF is only blocked because there is something else wrong so clean the DPF it wont need replaced forced regens dont work very well and if you just replace it with new you will simply have the same problem again.

Once it is cleaned regularly take it a good run at a steady speed to get it nice and warm this will regen it IF it is capable of regening
you need to look into all the DPF parameters and find what the REAL problem is.
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Old 26-01-17, 06:02 PM   #6
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You need to get it on planet/diagbox to read the codes and have a look at live data have a good read of the link below it explains a lot of stuff like how to contact a member with the relevant equipment needed https://www.peugeotforums.com/forums/...members-83170/
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Old 26-01-17, 09:08 PM   #7
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Gauging by the age of these cars, wouldn't the DPF block up due to natural causes? When a regen happens, it doesn't burn off 100% of the soot, it only burns the soot into a smaller volume, eventually, over time, it would block up and require a DPF clean, i.e, physically removing the DPF and cleaning it out.
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Old 26-01-17, 09:36 PM   #8
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No that is untrue my 307 estate has 164000 miles on it and to the best of my knowledge the DPF is the original i have done 6k miles in it in 3 months and it regens every 3-400 miles fine its HOW the car is driven that matters i do plenty long journeys at motorway speeds others potter about town in too high a gear

Guess who has the most issues
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Old 27-01-17, 07:53 AM   #9
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DPFs are cheap from CATS2U, and when you work out how long they last, no worse than the cost of an exhaust system.
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Old 27-01-17, 07:54 AM   #10
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I agree with reliable. My 307 sw had 158000 on it when I fitted a new DPF. Only did that as I thought it was overdue and got a good deal from cats2u for a new one. Took the old one off and it looked fine! Oh well! 1.6 hdi as well. Spent the first 94k on the motorway which probably helped, together with 6k oil changes. The only DPF related problem I've had has been with the high speed fan relay going faulty.
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