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DPF regeneration/cleaning too often?!?

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Old Nov 23rd, 2011, 18:43   #1
timebandit
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Default DPF regeneration/cleaning too often?!?

Hi

I own a Volvo V50 2.0D 2007 which I have big problems with.

The system starts the regeneration of the DPF all the time, no matter what. After the regeneration completes, it takes about 10 seconds for it to start again. Before the regeneration starts the diesel usage goes to 0.45 but as soon the regeneration starts again it goes up too 0.8.

This gives me choppy/stuttering driving and huge diesel usage. Currently 0.75-0.8l per 10km.

I have checked the DPF Pressure Sensor in VIDA and it seems all OK. Even if it looks OK on the graphs, can it be malfunction anyway?

What else can trigger the DPF regeneration?

The DPF was replaced at 120.000km and the car is now at 180.000km.

Any thoughts?


Regards,
Kensy
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Old Nov 23rd, 2011, 18:53   #2
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Clan (of this parish) may be able to help but as an initial thought, if it is the type that requires oil top up at 3rd service and replace dpf at 75000 miles, is the oil reservoir empty? Or does the unit require replacement?
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Old Nov 23rd, 2011, 19:22   #3
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The reservoir is not empty. It will be refilled at 180.000km next week anyways as it is in the service protocol.

The DPF should be replaced at 240.000km so I should have 60.000km left to use it.

How do I know if the DPF needs replacing? The pressure seems all OK and there are no blockage. There are no fault codes either.

I tried the function in VIDA to manually start the regeneration process and it did only help for about 1km, then it started the regeneration again.
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Old Nov 23rd, 2011, 20:11   #4
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just get it removed.. much less hassle
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Old Nov 23rd, 2011, 20:39   #5
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Quote:
Originally Posted by benr7310 View Post
just get it removed.. much less hassle
If I do it won't do the yealy control and will be driving baned or what it's called in english. So if the police stop me I will get high fines etc... Illegal driving.

Problem needs to be solved the correct way.
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Old Nov 23rd, 2011, 20:47   #6
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DPF pressure sensor. I had the same problem. You may also need to get your oil and filter changed as disel can contaminate the oil with it regenerating so often on cars with the non ELOYS dpf. Mine was done under warranty.
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Old Nov 23rd, 2011, 21:03   #7
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Quote:
Originally Posted by timebandit View Post
The reservoir is not empty. It will be refilled at 180.000km next week anyways as it is in the service protocol.
In that case I suggest the service by the dealer will sort it next week
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