My oil cap pops off where is the pressure comming from?
Where and what could be the cause
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If the cap gets blown off, there is too much pressure in the crankcase. Blow-by can be caused by piston rings that are worn out. A cylinder with worn out rings will have low compression and will likely cause a misfire. These piston rings need to be replaced.
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how many miles are on the truck? What engine do you have?
crwdns2934271:0crwdnd2934271:0 Jesse Hooton crwdne2934271:0