At 298k, there could be lots of reasons. It sounds like there might be a cylinder locking up hydraulically, which is to say there could be fluid of some sort in one of the cylinders stopping the engine. Pull all the spark plugs and see if it cranks over freely, and when you do crank it over, watch for fluid to be discharged from the offending hole.
SPONSORED LINKS
Monday, January 17th, 2011 AT 3:59 PM