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My 1996 mercury cougar XR7 3 8l 6cyl oil pressure dropped then started spraying oil from the oil filter seal thought the filter was cloged so I changed the oil and filter started it pressure went up then dropped again and sprayed out from the filter seal is this a bad oil pump or somthing else please help Thank you

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  • Jeff Youtsey
    Jeff Youtsey Feb 16, 2014

    pvc valve could be plugged. if it cant breath i will discombobalate its self! Check for water in the oil if a head gesket or warped head letting water pressure in to the oil. I could be wrong. good luck

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  • Cars & Trucks Master
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Two possible explanations come to mind. ON removing the old filter hat the oil filter gasket is removed from the base on the housing . Two gaskets are no good. Next over tightening the filter will distort the housing base and allow oil to escape past the seal. Always use a thin film of oil on the new gasket / seal to ensure that the rubber doesn't bind up when tightening up. The correct tension for the filters is on the case and is normally til it touches + 1/4 turn

Posted on Feb 16, 2014

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it is not the regulator if it has 40 lbs of pressure try to pinch off the return line and if pressure drops quickly it is either the check valve in the pump or the rubber seal between the pump and the sending unit

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Is the inertia switch on the passenger kick panel popped?

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before you put the filter on pour oil into bottle lid and pour on the rubber seal and use your finger to rub oil on seal. it should work

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SOURCE: 2002 jeep wrangler oil pressure gauge drops

When the gauge is at 0, is there any noise from the engine (tick, knock etc?) I would have someone put a mechanical gauge on there and read true pressure.Your driving pressure seems OK but if the low number is "real" something is wrong!

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Check the injector for 12v on one wire. if good check the other wire for a ground witth the key on. The ground wire pulses from the ECM If you dont have 12v from one wire to the other but you have 12v from one wire to battery ground then be sure the ground wire is good to the computer. If you don't have 12 v at any time check for open hot wire or bad fuse. ADD 12v to the hot wire at the injector. DO NOT add to the wrong wire or you will fry the computer

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