PCP and Diesel Particulate Filter

bigjl

alderpoint wrote: »

I've been driving diesels for the best part of 20 years and none have had any issues which could be related to the fact they were diesels rather than petrols.

But you might want to exclude my latest vehicle (twin turbo by the way), which twice in the last year has reported a clogged DPF - in both cases I took the recommended action of a half-hour blast up the local dual-carriageway/motorway to allow a regen to occur. Much more sensible that ignoring it and then having to wait a month until the local dealer could fit it in.

Is your current car a Jaguar or Land Rover/Range Rover?

Stroller133

alderpoint wrote: »

I've been driving diesels for the best part of 20 years and none have had any issues which could be related to the fact they were diesels rather than petrols.

But you might want to exclude my latest vehicle (twin turbo by the way), which twice in the last year has reported a clogged DPF - in both cases I took the recommended action of a half-hour blast up the local dual-carriageway/motorway to allow a regen to occur. Much more sensible that ignoring it and then having to wait a month until the local dealer could fit it in.

To be fair the OP was advised to have the half hour blast every week, not just when the warning light comes on - I struggle to believe the official prevention requires this. Also some cars (Vauxhall I think) have a specific light/message that a regen( drive at higher revs) is required. My impression is this car is just throwing up a faullt and a diagnostic was required to confirm regen was required. Also on the second occasion it went straight from no warning to limp mode removing the opportunity to thrash it.

neilmcl

Stroller133 wrote: »

Most Dpf issues occur on slightly older cars, probably when the more financially challenged 2nd or 3rd owners have refused the recommended fluid top up or even replacement during a service.
In the this case i'm 90% certain there is a fault with the car, it's less than year old with probably less than 5000 miles. On the 10% chance it's misuse it's clearly been missold being offered on 6k/pa contract.

What "recommended fluid" are you referring to?

neilmcl

Stroller133 wrote: »

it's clearly been missold being offered on 6k/pa contract.

Not if the buyer's intention was to buy a diesel in the first place.

MrsB387

neilmcl wrote: »

Not if the buyer's intention was to buy a diesel in the first place.

Nope, our intention was to buy a reliable car, petrol or diesel.

wrightk

MrsB387 wrote: »

Exactly what we've been doing each week since the probe on occurred at the beginning of November as advised. Hasn't gotten us anywhere except putting more mileage on the car.

This all depends on your definition of a 'blast'. To force a regen you usually need to be cruising at around 70mph (cruise control is great for this) and make sure your revs are between 2-2500rpm. If 5th doesn't rev high enough drop it down into 4th, and dont even think about putting it in 6th gear if your car was fitted with one.

At that speed i usually notice when the dpf is doing a regen as the fuel consumption goes down slightly and i feel a slight judder/split second 'lump' in power

It is worth adding in a dpf cleaner and regenerator treatment such as forte, to a full tank of diesel, then taking the car for a run as above, There are various good reviews online about it

wongataa

neilmcl wrote: »

What "recommended fluid" are you referring to?

Certain diesels use a urea based fluid to help regen the DPF. It is called Eloys by PSA/Ford. It is a paid extra on certain services. Not all diesel cars use it though.

Londoner_1

mrmot wrote: »

If you want to disguise the removal of the DPF, apart from the hollow sound from the canister, the non automated weld seam on the canister and the higher than usual smoke reading, how do you disguise all the soot in the tail pipe?

Admittedly on a test I can't see if the DPF internals are there and if I'm not 100% sure, I have to pass it, but there's nothing to stop me showing my suspicions on an advisory, which will be on record and for all to see.

Hiya,

Has the testing equipment also changed, ie is it capable of detecting that the dpf has been removed?

dlm

DPF DELETE services. Have a look in your area. They remove the filter, remap the ECU so itknows it is not there and then you will have no further issues - and better MPG!

Londoner_1

alderpoint wrote: »

I've been driving diesels for the best part of 20 years and none have had any issues which could be related to the fact they were diesels rather than petrols.

But you might want to exclude my latest vehicle (twin turbo by the way), which twice in the last year has reported a clogged DPF - in both cases I took the recommended action of a half-hour blast up the local dual-carriageway/motorway to allow a regen to occur. Much more sensible that ignoring it and then having to wait a month until the local dealer could fit it in.

My dervs have never been brand new, 2 were ex lease cars so were serviced according to spec. I also serviced them every year with twice oil changes but got fed up with the excessive maintenence involved with modern dervs together with regen every 2 weeks if you're doing short mileges on 2009+ derv cars, add to this expensive turbos, injectors, dmf, egr valve, fuel pumps to be replaced between 100k and 120k then it all adds up. The dpf are a service item and needs chyanging at about 80k, at this time the car will be an ex lease car for sale.

But dervs are for motorways only, it will keep the filter clean. A few years ago, local taxi drivers were buying dervs, due to dpf issues everyone of them have a Prius, its the taxi car of choice due to short distances and stop and starts.