460 out, 302 in???
Laughing Gas
Joined: Nov 2011
Posts: 1,033
Likes: 11
From: Wausau, WI
That's probably the one downfall of the ecoboost. Water collects in the intercooler, then when you give it gas, the water gets sucked into the engine. You know what happens then? No power and chugging, along with codes that need to be cleared.
I've heard lots of complaints on this and some are going to attempt a fix themselves, like drilling a very small hole in the bottom of the intercooler to let the water drain out, or a different intercooler. I don't believe drilling is a correct fix, but apparently the problem is bad enough, people want something done, now.
Logistics Pro
Joined: Jan 2007
Posts: 3,827
Likes: 103
From: Martinsburg, WV
Here is what I have figured out based on my experience with selling the HD units. If they had properly designed the CAC from the beginning, it wouldn't be an issue. If you look at the F150 EB cooler compared to other units of similar size and flow, it is built "upside down" with the pipes toward the bottom of the tanks. The best I can figure is they did this so they could put it in with little to no modification of the core support, lessening production costs. All CAC's tend to condense, it's in their very nature. With the relatively low outlet height of the current design, it allows an increase in flow to easily pick up the slug of water that can easily on average be in the bottom two to three rows of tubes. If the outlet were higher, the rush of air is usually not able to pull the water up as far, unless maybe WOT, but that's unavoidable with the hair dryers at full tilt. The only other way to really do it with the low hanging outlet, would be to use a water separator type device, like the ones used on marine forced induction engines.
FTE Legend
Joined: Jul 2010
Posts: 32,875
Likes: 48
From: Northeast, OK
Interesting. I didn't know that. All I'd heard are good things about the Ecoboost. Had considered one but instead bought the Murano. Maybe I'm glad after hearing that. And besides, needing a pickup for the jaunt to DE it gives me an excuse to fix Dad's truck up. 
Logistics Pro
Joined: Jan 2007
Posts: 3,827
Likes: 103
From: Martinsburg, WV
They have a couple fixes in the works for it, I'd figure by next MY, it'll be fine. Other than that it's a damn fine truck. And if you don't cruise steady in humid weather a lot, it's a non-issue. It's also only related to the F150, the other EB vehicles don't have it. Then there is the flaming Escapes...
On the Murano, you didn't buy a convertible did you?
On the Murano, you didn't buy a convertible did you?
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Senior User
Joined: Jan 2012
Posts: 472
Likes: 5
From: Somewhere in the universe
Interesting info on the Eco. I actually thought about a diesel however, I know absolutely nothing about them. I refuse to own something I know nothing about due to the fact of doing all the work on my own vehicles.
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Postmaster
Joined: Feb 2011
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well inside man, all i can say is start reading here Pre-Power Stroke Diesel (7.3L IDI & 6.9L) - Ford Truck Enthusiasts Forums - and you'll learn all you need to know about the most affordable diesel out there - affordable in purchase price, maintenance cost, and pretty darn good on fuel too. they only have a few common issues, all of which are well documented in how to deal with them. i bought my 6.9 after only having experience on gas motors, and haven't faced anything i can't handle.
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