Engine Replacement On 2015 EL

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MO311FAN

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I bought this Expedition in Sept. 19’ with 120,000 miles. The Carfax was clean and showed all of the maintenance required and oil changes at at least every 5K. I had read reviews on various sites including Consumer Reports saying this is a great engine with the potential for 250K.

Before buying I had my mechanic check it over and everything seemed great. No codes, leaks or obvious problems. Brakes were good, tires new, etc. Interior is great, little wear, everything worked.

During our test drive period (had for three days,) the HVAC fan got wonky, had them upgrade to the new harness and it worked (and has worked) fine since.

We had a flashing check engine light the day after we bought it and took it to our mechanic. Showed a misfire on cylinder one. We called the dealership that sold it to us and they told us to bring it in. They replaced a spark plug and that solved the problem.

Five and a half (10,000 mi) months later, we have a misfire on one and four. My mechanic says we need a new engine, quotes $8,300 or so. Call the dealer that sold it to us (sold “as is”, they owe me nothing), they gave us a loaner and took it in to look at it. They did compression check (looks bad), valve draw down (still looks bad).

Service rep calls me (this is a Chevy dealership we bought it from,) and says they can’t go any farther. Says he has an ol’ buddy at the Ford dealership, 20+ years with same dealership,etc. I tell him to have ol’ buddy call me. After a conversation I agree to have them look at it.
Original dealership agrees to take it over there for me. Was the beginning of the Coronavirus scare.

Ol’ buddy calls late the next day, has bore scoped the cylinders, 6 has scoring. Need to replace the engine and a turbo. $10,300. I mention that my mechanic can replace the engine for about 8k. He says “let me see what I can do.” Calls back 15min later, new engine and turbo (includes tubes, etc) for about $9,000, maybe a little less.

Picked it up about 7-8 days later, just a hair over $8,700.

We are not rich, my wife is a nurse and I am an electrician. This weighs heavy on us (especially in this time of Coronavirus,) I went on unemployment this week.

My advice to new (used) buyers would be, have a compression check done on these engines no matter what. Any recent plug replacement could be a big warning. If you are starting to get misfires over 100k, look out!

Regards,
Josh
 

Boostedbus

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6 has scoring. Need to replace the engine and a turbo. $10,300
Was it the turbo that failed and sent shrapnel through the engine? Cylinder scoring bad enough to need a new engine on an engine that got regular oil changes sounds like it ingested dirt/metal. How about the air filter and air box and piping? All good and not breathing unfiltered air? Sounds like premature wear to say the least. But what caused the wear?
 
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MO311FAN

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The Ford dealership that ended up replacing the engine did say that “the turbo that was bad was drinking oil”. I’m not anywhere near a mechanic, so not sure what that could mean.
 

TobyU

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Was it the turbo that failed and sent shrapnel through the engine? Cylinder scoring bad enough to need a new engine on an engine that got regular oil changes sounds like it ingested dirt/metal. How about the air filter and air box and piping? All good and not breathing unfiltered air? Sounds like premature wear to say the least. But what caused the wear?


Maybe someone drove it like they stole it.
 

Boostedbus

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I would just check all pipe and air filter box connections to be on the safe side anyway. If it was something as simple as breathing in dirt then you wanna make sure it doesn’t happen to your new engine. Hell, something as simple as a rodent nesting in the air filter box could kill an engine quick. You don’t have to be a mechanic to check that. Good Luck with your new engine, hope your gremlins are all gone.
 
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MO311FAN

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Having watched multiple YouTube videos at this point, I am thinking of add in a catch-can. Not sure what happened here, just trying to save others. Have seen multiple posts about misfires...
 

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