Focus Fanatics - View Single Post - Oil in Cylinders, Failing to cold start
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Old 01-06-2013, 05:30 PM  
amc49
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Join Date: Mar 2012
Fan#: 96610
Location: Fort Worth, TX
What I Drive: 00 wagon, 02 sedan both zetec atx

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On anything with spark plug tunnels I ALWAYS look inside before removing plugs. If enough oil or water in there, when it runs in after you yank the plug, there could be enough fluid in cylinder to hydrolock and break or bend a rod. Any dirt in tunnel also swept in by the oil. I generally blow out the tunnels before yanking plug too, you'd be amazed what gets in there even with a normally covered top.
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