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On my dads Lexus is220d SE-L 2006 only 21k miles getting check VSC light.

Checked on techstream and gave the P2002 fault code, any idea on how to solve or any solutions?

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21k ??

Not enough used XD, sorry I couldn't resist for 21k diesel 

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Yes it’s a dpf related problem, very common on the 220 and if the car is not driven, let’s say, ‘enthusiastically’ now and again it’s gonna occur. 
Do a search on this forum for  ‘P2002’ and you will have plenty of reading material.

You say you have ‘Techstream’ then try a forced regen.

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Yeah on techstream dont really know how to get the forced regeneration to work looked it up too and most people dont know how either.

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It's been a while since I did it, but it is something like this:

First, you need to give the car a run to get it up to temperature.  Then, plug in the laptop and run the TechStream software with the ignition on.  The setting is located in Powertrain - Engine - Data list, although I am not sure what the actual setting is called.  You can check to see it is working by looking at the live data and checking if the exhaust gas temperature goes up by at least 100C.  Alternatively, you can go for a drive and see if plumes of smoke come out of the back.

It didn't always work first time when I did mine, but after a few goes it usually did.

Hope this helps.

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Managed to get it to work just held the throttle at about 3,000 rpm and it did start to increase itself, cleared the fault and never came back on, went on the motorway was doing 60mph and seemed alright just hoping thats it solved but still might check the EGR valve and maybe give it a clean.

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I'm willing to bet the EGR valve needs a clean.  Quite simple to do and should only take an hour or so.

To keep the DFP clean, just make sure to keep the car over 2000rpm for at least 15 minutes once in a while to get it nice and hot.

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