Diesel Particle filter upstream/downstream temp

[maarksparky]

HI all,

does anyone know what should be the upstream and downstream temperature be when the engine is cold and Diesel Particle filter is not blocked??

cheers

[Albanais]

Develop your problem with more details please, so we can have one idea about your problem.
Regards

[maarksparky]

thanks Albanias

I have attached the screen dump for the DPF parameters

I want to know if the upstream or downstream sensors are faulty or not..

as when the engine is cold, the upstream temp sensor shows 100C

appreciate your help

[Albanais]

Your upstream and down stream sensors are in order, so carry out a forced regeneration and erase faults. I am sure that you have no problem, you can sleep in peace.
Cheers mate

[maarksparky]

thanks for the prompt reply...

Scanned and found following codes...
P1421, P1425, P1447, P1448

[Albanais]

thanks for the prompt reply...

Scanned and found following codes...
P1421, P1425, P1447, P1448

Just do a forced regeneration and erase fault codes. dont worry for the rest

[maarksparky]

only reason I think caz it gave me the upstream error..

I drive the car on the motorway so not sure as there must be something wrong somewhere...

how about the additive 104g, I dont need to topup DPX24 do I?

please help mate..

[Albanais]

only reason I think caz it gave me the upstream error..

I drive the car on the motorway so not sure as there must be something wrong somewhere...

how about the additive 104g, I dont need to topup DPX24 do I?

please help mate..

Your filter was clogged when you drove the car on the motor way you actually did a regeneration, thats why you have no more permanent faults, thats why now yo have temporary fault. I am afraid that you have to top up the eolyse but remember that you have to replace the fap as well. But you have beyond 10000 miles before changing it.
Good luck

[seano123]

after regeneration change oil and filter as enginge gets very hot and the oil gets contaminated, so ive been told?

[Keithuk]

thanks for the prompt reply...

Scanned and found following codes...
P1421, P1425, P1447, P1448

Well a P1421 error is

VAG Error Code: 17829



EOBD II Error Code: P1421



Fault Location:
Secondary air injection (AIR) valve/solenoid - short to earth



Possible Cause:
Wiring short to earth.
Secondary air injection (AIR) valve/solenoid.


A P1425 is


VAG Error Code: 17833



EOBD II Error Code: P1425




Fault Location:

Evaporative emission (EVAP) canister purge valve - short to earth






Possible Cause:

Wiring short to earth.
Evaporative emission (EVAP) canister purge valve.





A P1447 and P1448 are not listed in VW's but they do in Peugeot's. ;)

[maarksparky]

Your filter was clogged when you drove the car on the motor way you actually did a regeneration, thats why you have no more permanent faults, thats why now yo have temporary fault. I am afraid that you have to top up the eolyse but remember that you have to replace the fap as well. But you have beyond 10000 miles before changing it.
Good luck

thanks that was very helpful

so you reckon that the fault codes I have listed above are temporary??

Do I do a Regen with Planet or drive on motorway??

I have read people have drilled holes in the fap.. does that trick work?

[Albanais]

thanks that was very helpful

so you reckon that the fault codes I have listed above are temporary??

Do I do a Regen with Planet or drive on motorway??

I have read people have drilled holes in the fap.. does that trick work?
You can do it in both ways, does not mater. Drilling is one other thing but I can not guarantee the results, better don't touch it, if you find some body who knows how to make it in your area go but I cant recommend you to do it yourself.
Good luck

[maarksparky]

Thanks for your advice mate... do you think I can get away with just topping up and do a regen via planet??

Also I don't have to change the sensor??

[cars]

I do not have to agree with my colleague @Albanais, I think your FAP is blocked and a forced regeneration obtain a temporary solution.
The FAP Peugeot (Citroen) is because they become clogged Cerina that clog steps and your car has secured 104 grams which are many, besides the ECU tries to rebuild every 116km (normally 600 km).
So summarizing your FAP is blocked and a forced regeneration gets nothing because you can not eliminate Cerina filed you change the FAP.
Peugeot says a life of FAP is 80000Km (DPX24) 120000Km (eolys fap first generation) and 160000-180000Km fap to the second generation.
Of temperature sensors do not worry at times the temperature indicated by pp2000 not real.
Try to read the pressure value of the FAP if at 2500rpm (auto off) have a higher pressure than 100mbar have evidence that the FAP is blocked.


If help you remember to push the button thanks !!!


Please report if you find solution!!!!

[maarksparky]

thank you for the advice mate..

think Im gonna have to clean the filter.. only replaced the filter 25000 miles ago so cant think its necessary to replace..

cars have you heard about the drilling whole trick in DPF..

also at 104gms Eloys.. do I need to top it up?

[cars]

If the FAP has been replaced 25000 miles needle was reset the counter Cerina filed in FAP, this is serious because the ECU thinks that you 104Gr clogging and approximates the regeneration pp2000 you can change the value of grams, I do not remember the steps correct, but the menu ECU engine maintenance and FAP can be done (you can record 20 grams).

Help if you remember to push the button, thanks!

Please report if you find solution!!!!

[maarksparky]

do you think they forgot to reset counters?

sorry I didnt understand

[Larue]

So... first question was about exhaust temperature sensors. Answer is - there is no value less than 100C. Thats means they are working right if they are going up from 100C. Needs warm up the engine and see whats happening. If they are staying at that temperature - replace them, before just check wiring continuity between ECU and sensors.
About blocked DPF ....needs to check differential pressure whilst driving. Common problem is differential pressure sensor. If it's showing wrong values You are getting these faults....
About diesel additive fluid.... there is actual value for that. Under Fuel Additive control Module menu. Its saying - fuel additive minimum level is reached or not

[cars]

do you think they forgot to reset counters?

sorry I didnt understand


When you change the FAP you do understand the ECU, it is new, otherwise it continues to regenerate the FAP with short intervals (ex: 150 km instead of 600km) and indicates message filter overload.

[maarksparky]

Guys thank you for all your advice...

Larue... what should be the ideal value for the differential pressure be?

[maarksparky]

I have noticed that the differential pressure goes up in hundreds whilst driving

In that case, what should the value be?? I will test it again...


So... first question was about exhaust temperature sensors. Answer is - there is no value less than 100C. Thats means they are working right if they are going up from 100C. Needs warm up the engine and see whats happening. If they are staying at that temperature - replace them, before just check wiring continuity between ECU and sensors.
About blocked DPF ....needs to check differential pressure whilst driving. Common problem is differential pressure sensor. If it's showing wrong values You are getting these faults....
About diesel additive fluid.... there is actual value for that. Under Fuel Additive control Module menu. Its saying - fuel additive minimum level is reached or not



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[Larue]

I can't say at the moment how much it should be.....I'm at home. Now I'm going to workshop and after couple of hours I could answer this.

[Larue]

Seems to Me - I need sort out My stuff about cars. I've got printscreens about Peugeot DPF before and after DPF replacement, but can't find them at the moment. I will sort this out until this evening and will post them here. At moment there are Bosch parameters about DPF. They are +- mile, but at least something.

[Ashraf6119]

Hi

P1421 Catalyst damaged

P1425 EGI glow plug Secondary failure

If your car is:-

P1425 ED15C2 with FAP - Catalytic converter downstream temperature signal. Short circuit to positive or open circuit or Coherence between converter 1 & 2 temperature signal.

P1447 ELC system closure valve Flow fault

EDC15C2 - PEF filter pierced or differential pressure incorrect. / PEF: Particle emission filter. Clogged particle filter. (http://www.pikit.co.uk/peugeotmt/CodeDescriptions.html#P1447)

P1448 ELC system 2 fault
EDC15C2 PEF: Particulate emission filter overloaded.

Hope this helps.

Ash

SP you should always remember to add in your post first thing is Info about your vehicle as NO one can see what type and model of vehicle you talking about.

But,i am assuming its 307 1.6 is it rite.

Ash

[maarksparky]

Seems to Me - I need sort out My stuff about cars. I've got printscreens about Peugeot DPF before and after DPF replacement, but can't find them at the moment. I will sort this out until this evening and will post them here. At moment there are Bosch parameters about DPF. They are +- mile, but at least something.

thats great, this was very useful Larue... my car has an upstream sensor too..

its a Peugoet 607 2.2 HDi would be great if you can help with specific to this car..

thanks guys, really appreciate your help..

[Larue]

I will post all other things which I could find about that at evening.

[maarksparky]

I will post all other things which I could find about that at evening.

mate... you are a star !!

[Larue]

Sorry mate...too early for fun. Can't find my printscreens nowhere. If I remember right - at idle differential pressure is 0-6mb , but at 3000 revs it's jumping up from first moment to nearly 0.5bar and then going down to about 100mb, if DPF is clean.
I'm basically working with Bosch Esi, but it isn't good on french stuff. For this reason I bought clone PP2000...and 607 with 2.2 hdi are my favorite ones:guns::banghead:
How fare You are at the moment with Your's? Any joy?

[maarksparky]

Nae worries mate... I'm gonna clean the filter and then top it up...

Was thinking of drilling holes but not sure and still confused

PS. How much EOLYS is required for a 607?

Dump iPhones... HTC Desires are magic !

[teuton]

Not sure if it helps you, but ....

How many km/time has your your cat. converter gone thru?

on a workining converter the outlet temperature is significantly higher than the inlet temp. you can check the temps. with an IR gun. if the in/out temps are similar, your converter is clogged, if in temp is higher than out temp, the converter is dead. Maybe you just have a non working converter and this will affect the particle filter (and the sensor readings).

HTH

[teuton]

Here's a list with peugeot codes.

[Larue]

Drilling holes is not good idea. Better solution is there http://www.digital-kaos.co.uk/forums/f175/ecusafe-1-9-3-0-working-159419/
Anyway there are some tutorials for refilling additive tank and replacing DPF.
I had couple weeks ago some 407 in our workshop with DPF regeneration problems and problem was cooling fan which was'nt working.The main problem is - car isn't doing regeneration if any faults are present in ECU. After I have replaced it, I still couldn't do regeneration. After some headaches I had resetted all fuel additive parameters, but still could't get it working. Then just fit new particulate filter electronically, without replacing it actually and fault just dissapeared. Now couple weeks are around an that car is still fine - doing regenerations as it should.
Hopefully something from all this will help You.

[maarksparky]

Drilling holes is not good idea. Better solution is there http://www.digital-kaos.co.uk/forums/f175/ecusafe-1-9-3-0-working-159419/
Anyway there are some tutorials for refilling additive tank and replacing DPF.
I had couple weeks ago some 407 in our workshop with DPF regeneration problems and problem was cooling fan which was'nt working.The main problem is - car isn't doing regeneration if any faults are present in ECU. After I have replaced it, I still couldn't do regeneration. After some headaches I had resetted all fuel additive parameters, but still could't get it working. Then just fit new particulate filter electronically, without replacing it actually and fault just dissapeared. Now couple weeks are around an that car is still fine - doing regenerations as it should.
Hopefully something from all this will help You.

Larue couldnt thank you enough...

the ECU Safe thing sounds a good idea... any idea how to do it.. can I use it with Peugeot interface?

thanks

[Larue]

No mate. You need reprogramming tool(flasher) to read out files from ECU, then remove DPF with ECUSafe and then write them back in ECU. It's not so easy as it's looking, and sometimes s..t happens. Take a search on the internet and You will find out how much tools are cost,take search in DK other garage sections before to go somewhere forward with that. And take look around Your area....may be somebody already doing that.

[maarksparky]

Thanks Larue...

those documents were very useful..

now just found out about a problem.. My car should have DPX42 which I knew before so thats not a problem...

I just checked the reciept from the garage who cleaned the filter 25000 miles ago and they have used part number 9736.86??? which is Eolys 176 wtf !!! is that the reason why its clogged so early??

what shall I do now?? fill it up with 176 or DPX42?

[Larue]

About Your question - Why it's clogged so early...
There may be some reasons.
1. There are some errors in memory which are not related to DPF and as i told it's just can't regenerate the filter, because there are oher errors in present.
2. Customer might be slow driver or driving only short distances. As result - engine can't reach regeneration conditions.
3. Driving on heating oil,vegetable oil or other sort of crop.
I can find few more if You like...
I don't think Peugeot dealers did something wrong.
OK. There are engine identifications and according to all other information hopefully You could find out which type of additive that car is using. Easiest way would be just ring Peugeot dealer and ask him.

[maarksparky]

Thanks mate... I checked it on servicebox and it said DPX42... also my cars build code is 9329 and cars after 9442 are all 176...

So as the dealers put in 176 instead of DPX42.. should I top it up with same or drain it and fill it with DPX42??

Thank you guys and really appreciate your help...

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[Larue]

Mate...You already have all instructions under Particle Filter - frequency of servicing! Just read carefully thru.