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What does the power steering pump sensor do?

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Old 12-15-2010, 08:34 PM
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What does the power steering pump sensor do?
My power steering pump sensor (if that is what it is) sprung a leak the other day out of the top so I plugged it with a bolt.

What does it do? Is it important? Will it set off a CEL?
Thanks everyone!
 
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Old 12-15-2010, 10:48 PM
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The PS switch is supposed to kick up the idle RPM on the 5.0L engine when the power steering pump pressure rises above a set point. I am not certain if it will trigger a code in CM but it will will trigger a code during the KOER tests.
 
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