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Saturn
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2001
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LW200 L4-2.2L VIN F
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Repair and Diagnosis
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Powertrain Management
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Computers and Control Systems
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Description and Operation
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Component Descriptions
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Engine Oil Pressure (EOP) Switch
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Oil Pressure Telltale
Oil Pressure Telltale
The
PCM
sends a message to the I/P cluster over the Class II link to turn On the Oil Pressure telltale whenever the ignition is On and the EOP input at the PCM is low.