2005 WK 5.7L - P0520 Check Engine Code - Oil Pressure Sensor - JeepForum.com
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Unread 04-23-2013, 09:47 PM   #1
mroho
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2005 WK 5.7L - P0520 Check Engine Code - Oil Pressure Sensor

Hello All,

Just had my my check engine light come on my 2005 GCJ 5.7 HEMI, had it scanned to find out I got the P0520 check engine code. Figuring I need a new oil pressure sensor, I sent to the parts store to buy a new one. When attemping to buy a new one, they asked if I had a oil pressure light or gauge (have a light), then they asked if I had the 1-wire sensor or 3-wire sensor. I attempted to look for the oil pressure sensor but couldnt find it, can someone help me? They gave me a diagram but that didn't help much. Does someone have an actual picture they can post on here?

Thank you.
Mike

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Unread 04-24-2013, 02:55 AM   #2
w1pf
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5.7 has a 3-wire sensor. Parts guy should have known this from his catalog, so I wonder how competent he is.
57oilpressure.jpg  
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Unread 04-24-2013, 09:50 PM   #3
mroho
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Thanks w1pf,

That diagram is a little different than the one I got, that will help.

The parts guy said that that his computer showed both the 1 and 3 wire sensors for the 5.7. Guuess he was wrong.

Thanks again.
Mike
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Unread 12-13-2013, 01:29 PM   #4
Csfishbo
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Oil pres sw

Does the oil need to be drained to change the oil pressure sensor?
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Unread 02-10-2014, 11:06 AM   #5
Jeepforthewin
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Quote:
Originally Posted by Csfishbo View Post
Does the oil need to be drained to change the oil pressure sensor?
Im curious about this too as i will be swapping my oil pressure sensor out soon. Im assuming it needs to be drained but if it doesnt need to be then hey less work!
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Unread 02-11-2014, 08:37 AM   #6
mroho
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The oil does not need to be drained. If I can remember correctly (it's been a while), I think maybe a little bit of oil came out when I remove the sensor, but it is fairly high on the engine.

Thanks,
Mike
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