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Old 08-15-2016, 09:27 PM   #1
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Default WJ Oil Pressure Drop at Idle

My WJ started doing this today, kinda unnerving but a quick search reveals this is usually just the sending unit.

Anyone replaced this? I just wanna be sure it's not actually no pressure and I'm gonna grenade my beautiful HO
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Old 08-15-2016, 10:35 PM   #2
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I put a trans in my cousins' WJ over the winter, the thing showed wicked low oil pressure all the time, and nothing at idle. I think the check gauges light even would come on. It ended up just being the sensor. Its been running perfectly for months since. I rode in it the other day and it was still reading normal pressure and hasn't blown up.
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Old 08-16-2016, 06:08 PM   #3
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Mine did that once and never did it again. Probably a sensor
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Old 08-17-2016, 05:24 PM   #4
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My XJ did that and my TJ does it now. I'm assuming it may just be the sensor.
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