this is a big thread and ive skimmed a few pages and looked at pics. sorry if its off topic but it seems like the right path, possibly slightly off topic
I got a 120 prado, did cape last year. Had a pre trip service done, everything in check. Toyota replaced air filter, happy days.
Fast forward 2 weeks and 200clicks up the PDR and engine goes into limp mode. Open up the air filter and it is chock-ablock full of dust. Clean it out, reset the system alert and continue on my way north, checking the air filter regularly from now on.
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On the way home, about 600km from home actually, on the highway, engine blows, piston. Black smoke everywhere. Fast forwadr 8 weeks and I have a new engine, turbo and alternator, however my credit card is 16k lighter.