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Engineering/Technical Ask technical questions about cars. Do you know how a car engine works? |
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06-11-2003, 01:01 AM | #1 | |
AF Newbie
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oil in spark plugs
I have a 95' ford contour and it just started running terrible, backfiring, rough idling, dying at stops. So, i changed the plugs and whn i did 1 and 4 had oil on them, more on 4 than 1. What could this be from???
The car is running better, but still not up to par.
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06-13-2003, 01:13 PM | #2 | |
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Oil i the combustionchambers is the problem. Can be worn pistonrings or something like that.
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06-26-2003, 10:54 PM | #3 | |
AF Regular
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As SaabJohan said, this is caused by excessive oil entering the combustion chamber through worn rings and pistons, excessive clearance between vavle guides and stems, or loose bearings.
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06-27-2003, 09:58 AM | #4 | |
AF Enthusiast
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or loose bearings
um, which bearings can let oil into the chamber?
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