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Old 01-10-2013, 04:33 PM   #1
Join Date: Jan 2013
Posts: 12
High Oil Pressure

i have a 2001 wrangler tj and i changed the oil and oil filter about 2 weeks ago and its been running fine but today i was driving home, about 5 min, and noticed that the oil gauge was at 80, when i got home i restarted it and it rose right back up to 80, the oil dipstick is fine, how can i fix this?

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Old 01-10-2013, 06:43 PM   #2
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Check it with a master oil pressure gage first. This will tell you if you have a gage, or a engine problem.

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Old 01-10-2013, 06:57 PM   #3
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The oil pressure sending unit is probably toast. Do some research then proceed with testing your oil pressure with a mechanical gauge.
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Old 01-10-2013, 08:38 PM   #4
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Sounds like the oil pressure sending unit to me. On the passenger side of the engine, near the oil filter it is found. Not the easiest thing to get to, it screws into the side of the engine block. Most local auto part stores should have this in stock.

unplug the wire/connector and you can unscrew the unit.

If you're planning to do an oil change any time soon, that would be a good time to change it, while you have the oil filter removed you'll have better access to it.
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Old 01-10-2013, 10:15 PM   #5
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I am running straight 40w, plus STP to stop a rear engine oil seal leak. With that oil mine is close to 80 pounds.
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Old 01-12-2013, 10:58 AM   #6
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Sending Unit... Turn the key to the "ON" position and check your oil pressure gauge. If it is greater than 0, you have found your answer.
2000 4.0l Sport, Auto, some mods done - planning more
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Old 01-12-2013, 11:09 PM   #7
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Yea I changed the oil and the filter and its fixed thanks tho

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oil pressure

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