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change your pcv filter and pcv sensor that pops into your valve cover

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17y ago
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14y ago

There shouldn't be, but if you do, that indicates an oil leak somewhere

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13y ago

the oil filter is a NAPA 21085 or a napa 1085 filter. the 1085 is a premium filter. The 21085 is an economy filter.

The Mopar # is 5281090

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16y ago

Replace the air filter and the PCV valve. If that does not correct the situation, then you have blow by. You may have a blown head gasket.

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Q: What oil filter fits a jeep 4.0?
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