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Lexus Is Diesel Particulate Filter Dpf Problem / Solution


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#1 Kev B

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Posted 18 July 2012 - 07:48 PM

Sorry to be a pain guys / girls.....

The DPF light is on and the car is running with hardly any power at all.

I have been to several mechanics and their scanners can't seem to do anything in regards to resetting the fault code. I have been to a mechanic this afternoon and he seems to think that the only solution is replacing the DPF but I do not want to be spending £1000+ on the problem.

He suggested that due to the filter being so full, it will not regenerate now, is that really the case?

Also, I have done some checking online and have found a specialist not too far from me who has told me the complete opposite in that they can be regenarated even if they are blocked and that it is the cheapest option compared to replacement / removal etc?

Any advice???

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#2 steve2006

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Posted 19 July 2012 - 03:39 PM

Hello and welcome to the LOC.

Although the car is out of warranty have you considered contacting Lexus pointing out that a 5 year old car should not be suffering from these problems and seeing if they will assist in sorting the problem?

Once a DPF gets clogged fully there is very little apart from replacement that can be done but before replacement other possible issues which may have caused the problem initially need to be investigated.
A faulty EGR another common fault on the 220d can contribute to DPF failure amongst other things.
There are specialist companies which claim to be able to clean DPFs but dependent on how clogged its is.
There are also fuel additives which claim to clean them.
Another option is to have the DPF guts removed and then just refit the casing so as far as the MOT is concerned it's still fitted and will pass.

#3 Kev B

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Posted 19 July 2012 - 04:23 PM

Thanks for getting back to me.

Yes, I contacted my local dealership when the problem occured and they told me it was normal ware and tare and not covered under any type of waranty.

I have called loads of garages in the mean time (last few days or so) and almost all of them have told me the same thing in that the Diesel Particulate Filter will need replacing due to it being too full.The first garage I went to, ran a diagnostic and the printout they gave says that the filter is over 90% full so no guarantee on anything what so ever.

Every garage I have rang and told about the report have all said the same thing, "you need a new filter".

The only garage that I have had some positive news from and that sounds like they know what they are talking about has stated that they can force regenerate even if the filter is blocked simply because they have the correct software and necessary experience. I asked this particular place about additives and such like, as you and some of my friends suggested but was told that I would be wasting my money as there is no conclusive proof through comissioned trials that any of them have a decent success rate.

The thing is, a replacement filter is over £1000 supply and fit but these guys are asking for only £209 inclusive to do what they do so I guess I will bite the bullet and give them a try over the weekend and let you know how I got on.

They have offered me testimonials to put my mind at ease, some are Lexus owners that went through what I am going through and the guy did say that a couple of forum members have been to them, one very recently but I am not sure which forum he was on about.

#4 Kev B

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Posted 23 July 2012 - 10:27 AM

Hi Steve.

Just a quick one to let you know that I went and had the work done and I have to say that it is the best £209 that I spent on my car since the day I bought it.

The lights are off, power is up and the engine just feels and sounds a whole lot better in general.

I noticed that the mileage had increased by 37 miles but they told me that it was due to live data trials that had to be conducted to ensure that everything was successful.

Since having had the work done on Saturday morning, including the 37 miles they clocked up, I have so far had a hassle free 430 miles or so and will keep you posted over the next few days. If anyone wants their details then let me know, they are based in Birmingham Central but they offer a collection & drop off service if you think the car can't make the trip so no worries there either.

#5 steve2006

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Posted 23 July 2012 - 08:52 PM

Excellent news sounds like they have done the job, I was also under the impression that DPFs cannot be rejuvenated beyond a certain point so if it proves a lasting success that's great
There was a feature in CM magazine in July specifically related to DPFs and Cats and several companies were mentioned so yours may be one of them.
I can't see any reason not to post up the company's details who did yours as it could help other members in the future.

#6 Kev B

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Posted 26 July 2012 - 12:05 PM

UPDATE & CONTACT DETAILS:

Since my last post, I have now racked up approximately 900 miles which brings the total thus far to just over 1300 TROUBLE FREE MILES and NO lights on as of yet!!

The details for the Garage that did the wonderful work for me are as follows:

CAR SURGEON LIMITED
Fault code P2002 VSC Solution / DPF Regeneration / DPF Removal / DPF Rejuvenation
07853355415

Strictly by appointment only / collection & drop off service only

#7 normski2

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Posted 26 July 2012 - 06:10 PM

Don't know how true this is, but I was told you can usually regenerate the DPF by running the car at highish revs for a lengthy time. Apparently heats the filter to almost red hot and burns off everything.. and its all hunky dory again!

Any one else heard of this being done?

One thing I would urge you to do is clean the EGR valve every 5000 miles or so if you regularly do short journeys. Did mine on Fri last..took 30 mins and round town mpg is 42 at present. You might care to explore the use of BG244 and AR6200 fuel additive. My engine sounds much better after using this and mpg has gone up a bit too.

#8 sokisoki3

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Posted 27 July 2012 - 07:29 PM

when dpf is blocked even regeneration by running on higher revs won't help. Removal I think the best option. P&P auto services in Taunton they definitely can perform dpf removal on IS220

#9 bluenose1940

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Posted 27 July 2012 - 08:13 PM

Don't know how true this is, but I was told you can usually regenerate the DPF by running the car at highish revs for a lengthy time. Apparently heats the filter to almost red hot and burns off everything.. and its all hunky dory again!

Any one else heard of this being done?

One thing I would urge you to do is clean the EGR valve every 5000 miles or so if you regularly do short journeys. Did mine on Fri last..took 30 mins and round town mpg is 42 at present. You might care to explore the use of BG244 and AR6200 fuel additive. My engine sounds much better after using this and mpg has gone up a bit too.

Hiya normski2, I'd be interested to know how long it is since you last cleaned your EGR Valve and, what it was like when you took it apart to clean again last Friday. Did you notice a difference this time to last time, i.e. do you feel that the additives were tending to keep it cleaner than it would have been had you not have used them. I am still using the B10 at the moment but do intend to give yours a try as soon as I have used it all.

#10 normski2

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Posted 29 July 2012 - 08:43 AM

It was about 5000 miles since last strip and clean. There was a light dusting over the entire internals... less than a mm I would say. Also a small build up around the throat where it connects to the inlet manifold. Cleaned and hoovered that bit too.
Still using the AR6200 fuel additive at 5ml per 50 litres. Engine sounding very good..bearing in mind it is a diesel(and will never sound like my old straight six) and going like a rocket. I am really impressed by the torque/turbo on this car.. when you want to fly past something it will do it with ease.
My son has got a new job and needs a reliable, long journey motor. Am contemplating giving him the car, as he has just borrowed it for a month and loved it. He got nearly 50 going Bristol to Surrey. Who'd be a Dad? If he does take it I will show him how to clean the EGR, as it is a very simple operation and so beneficial.

Have looked at a couple of Auto 250SE's ...... early days yet. Tried the auto Audi A6 too. Maybe an auto is the way to go, nothing decided yet.

#11 briatore

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Posted 15 August 2012 - 03:58 AM

Kev B, do you happen to know what did they do to it? :) I'm puzzled how a special software would fit into the procedure. I guess it must have been mostly chemical and, in part, mechanical. Toyota intelligent tester 2 tool can erase the error and can be used to manually iinitiate the regeneration, but that obviously hasn't helped in the first place.

#12 lexus560

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Posted 06 September 2012 - 11:00 AM

To Kev B and Briatore......my IS 220D DPF was also regenerated at LEXUS dealer trough LEXUS software, 2 days consumption was 6.3 liters/100km in the city, then everything went back, I have no warning light on dashboard, the car is not in emergency state

#13 Frank2006

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Posted 10 September 2012 - 09:13 AM

Just joined as a new member of the Lexus forum and just wanted express my gratitude to Kev B for posting the details of Car Surgeon.

I have had my lexus IS220D for over 2 years with no issues but just few weeks back, my car developed this dreaded VSC Check error out of the blue.

Did a bit of research, read up a bit on it and tried to regenerate the filter as advised " 70mp at over 2000 revs for15min on motorway. Problem was that the car was always going into the "Limp Mode" and thus could not get the car to up to the required speed and rev to clear the DPF.

Had the car taken to Toyota a dealership that diagnosed the problem but could not resolve it, they advised that I take it to Lexus.

Took the car to Lexus dealership and got a quote that gave me the shock of my life. They said that they would have to change the entire DPF filter which was going cost me over £2000 and that there were a few other issues including the DPF problem which will set me back almost £4000.

I told them that there was no way I was going to pay them that sum to change the DPF unit and so out of desperation I started looking around for someone who could resolve this DPF issue.
Came across a few websites that claimed they could resolve the DPF issue but declined taking the car there after I read some really bad reviews about them. (No names)

Long story short, came across this topic and saw Kev B posting and the details of the company that resolved his DPF problem. Called them up, and arranged for the car to be picked up. They took my car all the way to Birmingham and resolved the issue. Drove the car back the same day and met the Guy who worked on the car. He had the computer plugged into the car and monitored the system whilst driving it all the way back to Watford. I was quite impressed.

They charged me £289 for regenerating the DPF and cleaning the EGR valve plus the recovery of the car and return which cost me another £200 and also got them to do my MOT.

Thanks Kev B for recommending Car Surgeon and I have included their details here again in case you miss Kev B posting.


CAR SURGEON LIMITED
Fault code P2002 VSC Solution / DPF Regeneration / DPF Removal / DPF Rejuvenation
07853355415

I have had the car for almost a week now with no issues. I hope this article also helps someone

#14 steve2006

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Posted 10 September 2012 - 11:47 AM

Welcome to the LOC.
Good to hear that you had the problem sorted at a reasonable cost, how can Lexus justify a 4K bill! Also the VAT at 20% makes a nice little earner for HMRC because you have a nice environmentally friendly car that fails on the very parts designed to help protect the environment.

With all the extra "Emissions control" stuff on modern cars I'm glad to be running an older model which doesn't even have an EGR system fitted (being JDM) and still passes its MOT with ease on emissions.
Don't get me started on dual mass flywheels there's another backwards move in my opinion.

#15 paulw

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Posted 10 September 2012 - 10:36 PM

My 220d suffered the dreaded problem a couple of weeks ago, the engine management light and ASC light came on and the engine went into limp mode,After paying for a test to show up the real problem I was advised, as others, to try going on the motorway for 30 miles at a steady 2,000rpm to start auto regeneration. That didn't work, I just had a frightening drive constantly having to pull onto the hard shoulder, switch off and start again. The garage said only Lexus dealers had the software so back to the main dealer I had bought from it went, they said the EGR valve had failed and needed replacing , the manifold was sooted up and had to be cleaned, Fortunately the DPF was OK but the bill was still £1,500. I don't expect that on a car less than 5 years old and only 46K on the clock. I complained to Lexus but they refused, ever so politely, to consider any contribution, My complaint that had my car been a Toyota I would have been covered under the manafacturers warranty fell on deaf ears, all they would say is Lexus have a 3 year guarantee and I should have bought an extended warranty! This doesn't say much for their confidence and why, when you pay extra for the "posh Toyota", do you get an inferior guarantee - it doesn't make any sense.
To rub salt in the wound my car was repaired in the adjoining Toyota delership but at the higher Lexus labour rates, the Lexus dealership doesn't have its own repair shop - do they think we don't realise there's nothing behind the fancy showroom and the servicing goes next door?
This is my first and will be my last Lexus

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