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2012 Navigator – Strangest sounds I ever heard – Siren

Chris S Hackett
Chris S Hackett

[quote=”relative4″ post=204420]Is it an EcoBoost? Sounds like a bad turbocharger.[/quote]

It’s not an Eco Boost that I know of .. but that definitely crossed my mind as well .. that the sound could be a turbo fan of some sort. I’ve only owned one car that was turbo charged that I know of (Saab 93) and even when it was performing properly, it was pretty unmistakable (additionally it had indicators on the dash). This vehicle doesn’t have any of that. I’m pretty sure this engine is just the standard flex fuel 5.4l V8