kkielinski Posted April 18, 2018 Share Posted April 18, 2018 Somehow my 2015 TC ended up with water underneath the valve cover - like around a quart, according to the dealer. I had around 34K trouble free miles. Van began having a cold start issue - rough idle, would cut out once or twice, then it'd start and stay smooth - maybe not quite as responsive. Starter sounded fine. Felt a lot like a fuel supply issue. Did this in the morning for a few days, I made an appointment at dealer - check engine light did not come on until the morning I was taking it in. I get a call later in the day and the tech is wondering how water got into the area. I was mystified. It hadn't rained much for at least a couple of weeks and I hadn't cruised through any big puddles - no recent car wash, either. I racked my brain and couldn't remember anything out of the ordinary in the recent past. They're replacing a few coils, plugs, and a sensor to get it running well again - under warranty, thankfully. The dealer still needs to have a 3rd party water test done to prove to Ford that it's not leaking. My service tech thinks it may be a design flaw - that a good splash from a puddle by the front passenger tire could shoot water right up into the offending area. I don't know his reasoning and I'm still waiting on return of the van so I can't check it out. Anyone have any experience/ideas? Quote Link to comment Share on other sites More sharing options...
G B L Posted April 19, 2018 Share Posted April 19, 2018 I know there was a issue with the 2.0 where the plug well could fill up with water if the boot was not right . This could cause water to enter the engine through the valve cover. How many times did they have to change the oil to get the traces of water out? Quote Link to comment Share on other sites More sharing options...
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