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Old 09-17-2011, 10:01 AM
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Question oil gauge reads lbs when engine is not running

my 89 4.2 oil gauge reads 40 lbs when the engine is off or running. when I pull the wire from the send unit the gauge pegs to the high side. Want to be sure the send unit is bad before buying as it costs $37. appreciate any help. I am new to this Jeep thing but I am getting hooked fast. Happy wheeling!!!
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Old 09-17-2011, 08:16 PM   #2

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Replace the sending unit

Nothing is foolproof to a sufficiently talented fool.
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Old 09-19-2011, 04:44 PM   #3
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Listen to Fweaky that's your fix. You're going to have to spend a few $. These sending units aren't that accurate anyway. It's really only an indicator. No two register the same.
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