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What could cause an engine knock in a ford ranger with a 4.0 engine if it doesnt have a knock sensor?
Wiki User
∙ 12y ago
Not much info to go on..but I guessing that it MAY be a rod bearing...That is known as "Fixing to throw a rod" which is VERY bad. You MAY be able to fix it by dropping the oil pan but the crankshaft or rod MAY have to be replaced if it has been going on for a while. If you drop the oil pan see if the rod(connected to the crankshaft) has any play in it. There should not be any up and down and very little side to side. Which is called "End Play" The crankshaft journals HAVE to be smooth.
Wiki User
∙ 12y ago
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