Random misfires and engine shutdown.
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My daughters car has been suffering from misfires, erratic R.P.M and also shutting down once your foot was removed from the accelerator.
ODB II codes said it was a problem with the valve timing on the exhaust side, I ended up changing the control solenoid for the exhaust side of the VANOS system.
For the misfire I replaced the sparkplugs with new ones.
During the inspection of my plugs cylinders one through three are running fine but on cylinder 4 I found traces of oil, the valve stem seals seem to be leaking on cylinder 4 which would explain why I need to add a litre of oil every month.
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