Thread: Ford EcoBoost
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Old 10-27-2016, 02:11 PM
bobinthesky bobinthesky is offline
 
Join Date: Aug 2008
Location: Between the mountains and the prairies.
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The early 3.5's had a moisture build up problem in the inter-coolers. It happened under certain circumstances and the problem was rectified after the first year of production. Apart from that you need to change spark plugs every 50 or 60 K and those are the only ongoing issues that I've found. Sure, they get crappy fuel mileage if you have a lead foot but they're pretty good if you don't.

There's lots of negativity about the 3.5 engines rampant on the internet but it was the same with the 6 liter chevy's, every internet expert claimed they were blowing up whenever the sun went behind a cloud but there was never any real evidence to back it up and the engine had a great reputation after a few years.
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