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LandCruiser KDJ150L-GKFEYW DPF problem


niske

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I have a Land Cruiser KDJ150L-GKFEYW with a 1KDFTV ( 3.0 D) engine build in 2011. I think it must have been one of the first with a DPF ( catalyst + DPF in one).

I have ~115000 km and I ‘m a short distance driver -:(

 

I had recently a DPF problem.

My DPF led was blinking + MIL led (motor block) was on, 4Lo led was blinking and traction control led was on. Obviously, the regeneration process was not successful. I got a ‘P2463’ error.

I have cleaned the DPF thoroughly(Wijnn’s chemical product) , cleaned the ERG valve, inlet manifold and all surroundings. EGR and surroundings were not that dirty …..

After clearing the P2463 DTC and disconnected the battery for a couple of hours, all my errors on the display were gone except a steady DPF regeneration led…

I started a ride on the highway, and I monitored the car with Toyota ‘s “techstream” I saw directly that the DPF regeneration started. The exhaust temperature rose to ~470 C. After some time the DPF led started blinking again and minutes later MIL led and others started blinking also…..

So back to the beginning …

I did not see anything special on the ‘Techstream” ‘s Data List. During the whole ride the max ‘DPF Differential Pressure” was ~ 6 Kpa at 3000 rpm ( on idle 0.4 -0.6) ...

The only thing that worries me is the high ‘PM accumulation ratio’ ( = 208 %). This was already so high on the beginning of the ride. Does somebody knows if this parameter can be reset via ‘Techstream’ ? I do not see any utility to do that.
All tips and suggestions are welcome

 

Thanks.

 

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