Question about 2001 Jaguar XJ8
Oil clear, new plugs, coils good, injectors good, didn't jump timing
I would start by checking to see if the signal is being pulsed to the coil and/or the injector. If those are good, check the compression.
Posted on Dec 26, 2013
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Posted on Jan 02, 2017
i also have the same problem regarding the oil leak. this is due to the spark plug gasket leaking and you will need to replace them. they are circular gaskets about 1.5 inches across that fit to the underside of the rocker covers and prevent oil from seeping down the long spark plug hole. when i investigated my leak i assumed it was just the rocker cover gasket that was leaking but once everything was removed it is obvious.
Posted on Jan 12, 2009
SOURCE: ONE CYLINDER MISFIRING
No you don't have to drain the oil, however if there is oil down where plugs are then that may be the reason for the misfire the oil blocking the spark or may actually be the cause of the coil going bad. You have another problem that needs to be taken care of if not you will have the same problem again soon. You need to change the oil seals in valve cover gasket and valve gasket to stop oil from getting on plugs.Good Luck and thanks for using FIX YA
Posted on Jan 22, 2009
you may have to replace the cowl pack itself that sit on top of the spark plug and sometimes you can get by just changing the boot wish you the best of luck Michigan Man.
Posted on Dec 06, 2009
The oil may be causing the misfire,you will need to replace the valve cover gasket and sparkplug tube seals, the oil leaks in from the tube seals,also make sure to clean hole out after the repair and make sure the coil is still good, you may have to replace the coil boot if its soaked with oil,
Posted on Jun 02, 2010
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