As I understand it ... the copper injector seals let exhaust fumes past, which enters the oil. The oil becomes gradually gunged up, and when the oil strainer gets blocked the engine can be terminally damaged due to oil starvation.
Definately not one to drive once the initial symptoms appear. Indeed, a number of people have taken the preemptive strike of changing the seals to aluminium - Later vehicles have aluminium injector seals from new which will hopefully be better.
Get the garage to examine the oil strainer - it may need cleaning.
As said, Toyota have extended the warranty and every case I'm aware of has been covered by Mr T.
Last edited by: Tigger on Sat 18 Dec 10 at 07:09
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Toyota HiLux Vigo - D4D - failed diesel .. new