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Old 11-18-2010, 10:16 AM   #1
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Low Oil Pressure?

So I am very new to the Jeep world, I bought my '04 TJ Sport a few weeks ago. This morning on my way to work, I stopped momentarily and the oil pressure dropped to nothing and the "check gauges" light came on. I parked, and about 30 seconds later everything was back to normal. WTF?

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Old 11-18-2010, 10:18 AM   #2
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For some reason, the oil pressure senders Jeep installs are always giving problems like that. My '97 had the same issue. Odd are that the problem is only a bad/intermittent oil pressure sender which is easily replaced... kind of like replacing a spark plug.

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Old 11-18-2010, 10:22 AM   #3
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OOO I like that answer =) Thanks!
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Old 11-18-2010, 10:28 AM   #4
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Hmmm...just to be on the safe side, I'd check the oil level before proceeding further. It's a longshot, but I've seen this sort of thing before, ironically with newly-acquired vehicles.
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Old 11-18-2010, 10:30 AM   #5
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Checked the oil level, it is normal.
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Old 11-18-2010, 11:20 AM   #6
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Checked the oil level, it is normal.
Glad to hear it! It's most likely a defective pressure sending unit, something inexpensive and replaced in about a half-hour. Get the best quality part you can afford.
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Old 11-18-2010, 11:24 AM   #7
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What is the price range of said device? I have no idea what that is. I have a budget of about $2500-3000 with which I would like to purchase a lift kit (which my boyfriend will install) as well as new wheels and 33" BFG Muds. Any reccomendations?
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Old 11-18-2010, 11:30 AM   #8
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They're right around $30.
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Old 11-18-2010, 11:32 AM   #9
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On Quadratec, its $27.99 for a new oil pressure sending unit. I'm sure you could get it at your local parts house for the same price or maybe even cheaper.

I had the same problem in my Jeep. Driving along, oil pressure was fine, but when I stopped at a stop light or whatever, my check gauges light came on and the oil pressure gauge dropped off to zero. I replaced the sending unit after that was suggested on here and it's been fine ever since!
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Old 11-18-2010, 11:33 AM   #10
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They're right around $30.
I got beat to it! lol
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Old 11-18-2010, 03:32 PM   #11
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Same thing happened to me last week. I pulled the connecter off and it was full of oil. Bad sender. $38.00 was cheapest I found locally. Pep Boys.

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