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I've worked on diesel and petrol engines, on and off, for over 40 years, we have lost the simplicity and are into new territory these days. Diesel longevity is still open to debate, running costs are proving to be higher than many anticipate.
I know injectors are the thrust of the debate, in some quarters, but they are now to such high precision and complexity that if performance tails off, then they can't be ignored.
But as said, petrol engine technology is also making for a complex engine, so costs will rise for them as well.
Difficulty for many will be a bit further down the road, when more engines reach higher mileage, users will get hit hard as most fixes will be outside the DIY sector.
But this is all part of the price of progress. Personally, even with my background, I'm for running a warranty on modern engines. I don't really want an older motor and the real possibility of throwing good money after bad.
HighlandPete
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