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Where is the oil pressure sensor on 1991 5.0l V8?

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Old 06-13-2012, 12:52 AM
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I replaced mine a couple weeks ago. Like stated above, takes a couple minutes. 1 1/16" socket worked for me.
Old 06-15-2012, 11:18 PM
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Haha yep. I found almost everything I was looking for there and only left because they were closing

Thanks for the tip. I was pretty sure I'd found it when I changed the oil but wanted to be sure. Since my gauge is all screwy I checked the oil pressure today and verified that it has got 50-60psi @ 2k rpm as well as at idle.

To keep an eye on it I got 1/4" NPT fittings including a tee that I'm going to use to install a second, accurate gauge in the dash.

Thanks again
Old 06-15-2012, 11:58 PM
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Great deal. Remember that after warm up, your pressure will probably drop to between 20 -30psi. Mine stays around 20 - 25psi at idle and 45 - 50psi at 2k rpm after warm up.

Last edited by unit505; 06-16-2012 at 12:00 AM.



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