2011 6.7 blowby/oil leaks - PowerStrokeNation : Ford Powerstroke Diesel Forum
 
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post #1 of 7 (permalink) Old 02-22-2019, 03:59 AM Thread Starter
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2011 6.7 blowby/oil leaks

Hey guys I have a later model 2011 6.7 with 133k miles and it has been stock all it’s life. A few months ago I had it tuned with a H&s and deleted everything. Did good for a couple weeks then i noticed fuel mileage got worse, it also developed more engine noise then it used to have, almost like a slight knock so out of curiosity I checked for blow by and all the sudden it’s got a lot. It does throw intermittent cylinder contribution codes from time to time, I think every cylinder has thrown once or twice. Truck runs great outside of the oil leak, crappy mpgs and the occasional white smoke from the exhaust... but im not losing coolant from what I see. I’ve heard all kinds of horror stories about these 2011s so if anyone has had this issue or knows what causes this issue please throw in your two cents Thanks
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post #2 of 7 (permalink) Old 02-22-2019, 08:40 PM
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Re: 2011 6.7 blowby/oil leaks

All six sevens have excessive blow by. Check the CCV filter and make sure it isn't plugged. My bet is your injectors are getting tired
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post #3 of 7 (permalink) Old 02-23-2019, 11:38 PM Thread Starter
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Thanks for the reply, it seems pretty bad to me. I’ll paste a link to a video of it below, just trying to get an idea of what I’m in for before I take it to a shop 2 hours from me. Watch “Ford 6.7 blow by” on Vimeo: https://vimeo.com/319240361?ref=em-share
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post #4 of 7 (permalink) Old 02-26-2019, 12:27 AM Thread Starter
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Ended up being a faulty injector thanks
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post #5 of 7 (permalink) Old 02-26-2019, 12:09 PM
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Re: 2011 6.7 blowby/oil leaks

Called it!
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post #6 of 7 (permalink) Old 02-26-2019, 12:24 PM
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Re: 2011 6.7 blowby/oil leaks

Quote:
Originally Posted by sooty View Post
Called it!

1996 F350 XL Crew Cab LB 4x4 3:55
Former Ft. Bragg/Pope AFB Truck
DieselSite Coolant Filter
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post #7 of 7 (permalink) Old 03-24-2019, 02:01 AM
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Quote:
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Ended up being a faulty injector thanks
How much did it run you to get the injector replaced
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