Turbocharger was leaking and replaced under about-to-expire warranty. Service guy said he'd never seen this.
Turbo went out at 80,000 took a long time to diagnose
Vaccum hose bad
Hissing sound from lower radiator area after engine is up to temp. Coolant smell in cabin.
Car will stutter on occasion (2-3 times per year) when under heavy acceleration load. Loses power momentarily with banging noise then catches with jerking sensation. Dealer unable to replicate, no engine codes, always run 93 octane + mobil1