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Old 27-11-18, 04:32 PM   #1
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Default DPF question.

I have been tasked with sorting my daughter's 11 plate 207 HDi which has started giving her a few problems.
A lot of the threads on here have been really helpful but it's time I got my hands dirty now, especially after finding out she's spent 300 to have the DPF cleaned...three times now (with it blocking again after a month or two).
I've explained to her about passive regeneration etc. but she only has a low speed commute to work and forgets to give it the occasional good blast on the motorway.
The engine management light is now on and the car is in limp mode.
I don't have a Lexia3 lead (yet...) just a standard bluetooth OBD2 linked to Torque on my phone. When I scanned for faults it returned a P242F fault which Google tells me is the dreaded DPF again!
As it is now restricted to 3K rpm I assume means that a passive regen is off the cards now.

So... I've read up on removing the filter to clean it which (seized nuts aside) seems pretty straight forward. But, after doing this, will the ECU realise that the filter is now unblocked and let the engine run properly or will I need to acquire a Lexia3 lead and PP2000 (or Diagbox) to tell it there's a new filter installed?

Or...to save getting my hands dirty, could I use PP2000/Diagbox to force a regen? (or is that not a good plan seeing as it's in in limp mode)

Any help will be most appreciated!
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Old 27-11-18, 04:40 PM   #2
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Forced regens are scary and best avoided they are very much a last resort

Its probably not the filter thats the issue its probably not got any fluid left !

You NEED to accurately asses what is causing it as even with a slow commute it should not be clogged as often as you say.
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Old 27-11-18, 06:45 PM   #3
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Quote:
Originally Posted by reliable406 View Post
its probably not got any fluid left !
Thanks for the reply.
I did think that, but wouldn't that give either an on-screen error or a fault code?

The only on-screen message she says she saw was the "risk of filter blocking" which came and went. The rest is history.

I'll have a look at the fluid level at the weekend (the car's at my parents as I don't have a garage...)

Quote:
Originally Posted by reliable406 View Post
You NEED to accurately asses what is causing it
Presumably this involves PP2000/Diagbox?
Would one of the Ebay clones be good enough? e.g. Ebay item no. 123176085242 (sorry, can't post links yet!)
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Old 27-11-18, 07:32 PM   #4
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Quote:
Originally Posted by reliable406 View Post
its probably not got any fluid left !
Thanks for the reply.
I did think that, but wouldn't that give either an on-screen error or a fault code?

The only on-screen message she says she saw was the "risk of filter blocking" which came and went. The rest is history.

I'll have a look at the fluid level at the weekend (the car's at my parents as I don't have a garage...)

Quote:
Originally Posted by reliable406 View Post
You NEED to accurately asses what is causing it
Presumably this involves PP2000/Diagbox?
Would one of the Ebay clones be good enough? e.g. Ebay item no. 123176085242 (sorry, can't post links yet!)
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Old 27-11-18, 09:00 PM   #5
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Quote:
Originally Posted by reliable406 View Post
its probably not got any fluid left !
Thanks for the reply.
I did think that, but wouldn't that give either an on-screen error or a fault code?

The only on-screen message she says she saw was the "risk of filter blocking" which came and went. The rest is history.

I'll have a look at the fluid level at the weekend (the car's at my parents as I don't have a garage...)

Quote:
Originally Posted by reliable406 View Post
You NEED to accurately asses what is causing it
Presumably this involves PP2000/Diagbox?
Would one of the Ebay clones be good enough? e.g. Ebay item no. 123176085242 (sorry, can't post links yet!)
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Old 27-11-18, 09:08 PM   #6
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ALL versions of planet/diagbox are chinese clones just pick any one !

A real 1 will cost you 1500
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Old 28-11-18, 07:50 PM   #7
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Quote:
Originally Posted by reliable406 View Post
ALL versions of planet/diagbox are chinese clones just pick any one !
Okay, sounds good - thank you
My final question (for now!!) is : would a rev B cable be okay for a 2011 207?
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Old 28-11-18, 08:43 PM   #8
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No revison B is too old you need revision C most for sale now are revision C anyway i doubt anyone is selling revision B
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Old 28-11-18, 08:53 PM   #9
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Okay, thanks for that. Most of the affordable (i.e. cheap!!) ones don't state the revision whereas the ones that specify they're a C are twice the price (and some of the feedback seems to infer that they are actually B's!)
Time to dig a bit deeper in to my pocket.
Thanks again for the help, it's most appreciated.
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Old 29-11-18, 09:00 PM   #10
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Hello mate save your self a fortune have dpf deleted with cat as well mine has just being done the difference is nite and day nevermind all the do gooders mine was doing my head in when it's mot time you can easy put dpf back in so it will pass mot no dought I will get all the job's worths giving me stick but who cares as long as your not breaking down or going in to limp mode only my opinion thou mate
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