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Why am i getting low compression out of cylendar four but all the other ones are ready right

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  • Cars & Trucks Master
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Without more information it is hard to say, but it might be a burnt or bent valve, a broken compression ring on a piston, a crack in the head or cylinder wall, a severely worn cylinder, or a blown head gasket. Any way you look at it, it is not good.

Posted on Apr 21, 2013

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SOURCE: how are the cylendars numbered on a 99 lincoln

Left to right ,all odd,on the left,even on the right.

Posted on Feb 19, 2010

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If you are sure the compression is low on that one cylinder (might want to get a second opinion) the most likely problem is a burnt valve.
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Add or squirt the oil in the cylinder, and check the compression again.
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