DPF Light On, Limp Mode

frontlineracing · Jan 4, 2011

Right so the other day driving along and the DPF light came on, then i didnt know what it was so carried on driving, then just yesterday the car went into to limp mode and the coil light start flashing and the engine light came on. Parked it back up at home done some research found out that best to take it on the motorway keep it in 3rd gear at just under 3k revs as it dont go over that, done that 20 mins drive but nothing.
Put the car on diagnostic and fault code P2002 came up.
Could anyone help me what can i do next is it a sensor, just the filter or the whole DPF need changing?
And also at idle its at 0.75k revs, checked it after the drive.

mds1256 · Jan 4, 2011

frontlineracing said:
Right so the other day driving along and the DPF light came on, then i didnt know what it was so carried on driving, then just yesterday the car went into to limp mode and the coil light start flashing and the engine light came on. Parked it back up at home done some research found out that best to take it on the motorway keep it in 3rd gear at just under 3k revs as it dont go over that, done that 20 mins drive but nothing.
Put the car on diagnostic and fault code P2002 came up.
Could anyone help me what can i do next is it a sensor, just the filter or the whole DPF need changing?
And also at idle its at 0.75k revs, checked it after the drive.

P2002 = Particulate Trap Effieciency Below Threshold

either sensor or filter itself

how many miles has the car done?

frontlineracing · Jan 4, 2011

mds1256 · Jan 4, 2011

frontlineracing said:
147k

filter deffo. looking at £1k+

filters are to be changed at around 100-110k miles

frontlineracing · Jan 4, 2011

Does the whole engine need to come out to change the filter?
Had a quote of £800 for the filter

mds1256 · Jan 4, 2011

frontlineracing said:
Does the whole engine need to come out to change the filter?
Had a quote of £800 for the filter

No the filter is down the back of the engine and is connected to the exhaust, unbolts and comes off as one piece.

Mate of mine had a Skoda Octavia VRS with the same problem, 128k miles and same error code.

He got a remanufactured filter, fitted and reset counter...... light wouldnt go off and in the end he took his original filter to a jet wash and spent 20 mins clearing out the old filter, refitted and took for drive, 5 mins later light went out and all was well.........

still going 30k later with no probs!

Saving himself £800+

jrsmooth · Jan 4, 2011

Or get a nice Bypass pipe :cartman:

frontlineracing · Jan 4, 2011

jrsmooth said:
Or get a nice Bypass pipe

Lot of people are saying that, how do go about doing it, any cons?

jrsmooth · Jan 4, 2011

frontlineracing said:
Lot of people are saying that, how do go about doing it, any cons?

Some tuning companies offer it, JBS in Chesterfield, Derbyshire is where I had mine done along with mds1256 above.

Benefits:

220 - 240 bhp

More MPG if driven nicely, I regularly get over 600 per tank on motorway trips.

Bit more of a grunty sound (not much difference IMO)

Cons:

Dirty back door (more diesel spots)

On the limit of the clutch (mines still fine)

Potential MOT law change resulting in a fail (due to emissions)

Cost (mds1256 and I took advantage of a group buy, still cheaper than a new DPF tho)

Think that covers it. Did I mention POWER!!! :cartman:

frontlineracing · Jan 4, 2011

whats the price?

jrsmooth · Jan 4, 2011

frontlineracing said:
whats the price?

Link!

We got them for about £500 in the group buy I think. Really does turn the car into a different animal!

Dangerous Dave · Jan 4, 2011

mds1256 said:
No the filter is down the back of the engine and is connected to the exhaust, unbolts and comes off as one piece.

Mate of mine had a Skoda Octavia VRS with the same problem, 128k miles and same error code.

He got a remanufactured filter, fitted and reset counter...... light wouldnt go off and in the end he took his original filter to a jet wash and spent 20 mins clearing out the old filter, refitted and took for drive, 5 mins later light went out and all was well.........

still going 30k later with no probs!

Saving himself £800+

Good to know jet washing the filter works on the newer ones it was common with the DPFs on 307s, another option is to put the DPF in a kiln and bake it at 600-700c.

frontlineracing · Jan 4, 2011

jrsmooth said:
We got them for about £500 in the group buy I think. Really does turn the car into a different animal!

Whats that £500 all in supply & fit?
Do you need to remap it aswell??

Daza · Jan 4, 2011

frontlineracing said:
Whats that £500 all in supply & fit?
Do you need to remap it aswell??

you will need re-mapped with DPF delete

frontlineracing · Jan 4, 2011

Right so about £900 all in, supply fitted & remap.
Just need to get that sort of money together now.

jrsmooth · Jan 4, 2011

The link put in my post above is for the full works. Less than £900.

frontlineracing · Jan 7, 2011

Sorted it, took it to a garage and they regenerated it for me at a good price.
Light off power back

mikependleton · Jan 14, 2011

You've probs got 1 sensor saying your DPF is full and needs blasting out and another that says it isnt. I had the same issue, SEAT changed the sensor and then used up all my fuel to clean the DPF!

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