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Oil pressure rises high then suddenly drops and water temp shows hot veh not hot

(1998 Ford Expedition)
in Las Vegas, NV on April 16, 2014
Replace battery only after 11 mos. while driving oil pressure climbs to high and all of a sudden drops and water temp shows hot. Drove with scanner and read water temp normal 198 degrees this all happened right after battery replaced any ideas.
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Popular Answer
on April 17, 2014
Disconnect and clean the battery posts, and terminal clamps then reconnect. Afterwards complete a drive cycle to allow the the pcm to relearn the engine and transmission. Your owners manual should have the drive cycle under battery replacement section.
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