khandelwal Posted September 21, 2011 Report Share Posted September 21, 2011 Jeep Grand Cherokee 2002 6 cylinder. The Engine oil keeps fluctuating upwards and downwards.When checked the Oil pressure it was High and with the Up and Down the RPM is also fluctuating. What should i do. Link to comment Share on other sites More sharing options...
JeepDxb Posted September 22, 2011 Report Share Posted September 22, 2011 Looks like the the pressure relief valve is faulty which needs to be replaced. Link to comment Share on other sites More sharing options...
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