1994 Chrysler LHS

Engine Mechanical problem
1994 Chrysler LHS 6 cyl Front Wheel Drive Automatic 140000 miles

Our 1994 LHS has been losing one or two of the oxygen sensors about every 10-15 thousand miles.
Is this normal?
We also use premium gas exclusivly. Is this too hot for the sensors?
Do other 94 LHS owners have this problem?
Than you for your attention.
Don Scapuzzi
Don scapuzzi
July 28, 2010.

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